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Friday, October 12, 2018

The Digimore FPM-8530G3 is one chip fingerprint reader designed for integration into products with USB 2.0 full speed interface. It configures as USB mass storage device so it no need additional effort to handle driver. The reader within the ST STM32F446 device is high performance...

Sunday, September 23, 2018

Quantity : 1 SET - Price : $ 4000

Key words: portable rock drilling rig,hard rock drilling rig,core drilling rig for hard rock,mine rock drilling rig ,electric drilling rig - The brief introductions of KHYD110 rock drilling rig - The machine can be fitted with drill stand, and can be drilled horizontally or upward...

Tuesday, August 28, 2018

Quantity : at least 4 - Price : USD 10-470

- Advantages of base isolation technology - 1. The base isolation can effectively reduce the seismic response of the structure. The traditional goal of fortification is "small earthquake is not bad, medium earthquake can be repaired, big earthquake cannot fall", and the isolated...

Thursday, August 23, 2018

The drone battery is the part of the drone power system that stores and releases energy. Most power batteries used by drones are lithium polymer batteries. Compared to other batteries, lithium polymer batteries have a higher energy density and good discharge characteristics. Lithium...

Thursday, August 23, 2018

Quick Details Work voltage V： DC13V~16.8V Work current A： ≤9A@DC14.8V Work time： ≥1.5h Output power dBm： 40dBm@1550～1620MHz（±1dB） Output power dBm： 37dBm@2400～2483MHz（±1dB） Output power dBm： 37dBm@5725～5852MHz（±1dB） Dimension： 1323mm×403mm×341 mm（with battery and antenna） Work environment...

Wednesday, August 22, 2018

- Specification of JH-158 BTE Style Ear Amplifier Cheap Hearing Aids - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-116 Personal Sound Amplifier Behind The Ear Hearing Aid - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-233 Body Worn Pocket Ear Sound Amplifier Hearing Aid - Max Sound Output 131 ± 5dB Voltage 1.5V Sound Gain ≥55dB/58.9 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation Current ≤4mA Operation current/mA 6...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-238 Pocket Body Worn Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥50dB/51.5 Battery size AA Total Harmonic ≤5% Battery capacity/Mah 2400 Wave Distortion Operation ≤4mA Operation current/mA 6.9 Current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-909 Rechargeable ITE Hearing Aid Hearing Amplifier - Highest sound pressure level for input SSPL 90dB 126 ± 3dB Equivalent input noise level: ≤32dB Max. Output sound level gain: 35±5dB Reference Test Gain: 30±5dB Average Saturation Output(HF-Average SSPL 90)...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-905 Rechargeable ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.2V Sound Gain ≥35dB Battery size Total Harmonic ≤5% Battery capacity/Mah 40 Wave Distortion Operation ≤3mA Operation current/mA 1.2 Current Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-907 ITE Mini Hearing Aid Hearing Amplifier - Max Sound Output 120 ± 5dB Voltage 1.5V Sound Gain ≥35dB/28 Battery size A10 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 100 Operation Current ≤6mA Operation current/mA 3.5 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-900a ITE Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/49.4 Battery size A312 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation current/mA 1.6 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-906 ITE Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG3 Total Harmonic Wave Distortion ≤7% Battery capacity/Mah 43 Operation Current ≤6mA Operation current/mA 1.7 Frequency Range 200-4000Hz...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-339 USB Rechargeable BTE Hearing Aid Hearing Amplifier - Max Sound Output 128 ± 3dB Noise EIN <26dB</td> Sound Gain 95±3dB Battery size NI-MH rechargeable battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Working current 3...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-338 BTE USB Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 128 ± 3dB Noise EIN <26dB</td> Sound Gain 95±3dB Battery size NI-MH rechargeable battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Working current 3...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-337 BTE Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.2V Sound Gain ≥35dB Battery size NI-MH Rechargeable battery Total Harmonic Wave Distortion ≤10% Battery capacity/Mah 40 Operation ≤4mA Operation current/mA 1...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-351R BTE RIC FM Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Noise EIN ≤20dB Sound Gain 40±5dB Battery size 3.7V 30mAh Built-in lithium batter Total Harmonic Wave Distortion 500Hz <= 3.1%</td> Working current ≤2...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-351O BTE FM Open Fit Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Noise EIN ≤32dB Sound Gain 36±5dB Battery size 3.7V 30mAh Built-in lithium battery Total Harmonic Wave Distortion 500Hz <= 3.1%</span> Working current...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-351 BTE FM Rechargeable Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB Battery size Built-in lithium battery Total Harmonic Wave Distortion 500Hz <= 3%</td> Battery capacity/Mah / 800Hz <= 5%...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-301R BTE FM Balanced Armature Loudspeaker RIC Open Fit Hearing Aid / Hearing Amplifier - Max Sound Output 120±5dB Sound Gain ≥40 dB Total Harmonic Wave Distortion ≤10% Frequency Range 250-5000Hz Input Noise ≤32dB Voltage D.C. 1.5V Current ≤3...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-129 BTE FM Bluetooth Earphone Appearance Ear Zoom Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG13 Total Harmonic ≤5% Battery capacity/Mah 160 Wave Distortion Operation ≤4mA Operation...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-119 BTE Bluetooth Earphone Appearance Ear Zoom Hearing Aid Hearing Amplifier - Max Sound Output 135 ± 5dB Voltage 1.5V Sound Gain ≥35dB Battery size AG13 Total Harmonic Wave Distortion ≤5% Battery capacity/Mah 160 Operation Current ≤4mA Operation...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-D04 BTE FM Balanced Armature Loudspeaker Hearing Aid Hearing Amplifier - Max Sound Output 125±3dB Voltage 1.5V Sound Gain 35±5dB Battery Type LR754 Total Harmonic ≤10% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-D03 BTE FM Balanced Armature Loudspeaker Open Fit Hearing Aid Hearing Amplifier - Max Sound Output 130±3dB Sound Gain 40±5dB Total Harmonic Wave Distortion 500HZ<3%<br /> 800HZ<5%<br /> 1600HZ<1%</td> Operation Current/mA...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-180 BTE BTE Ear Hook Hearing Aid Hearing Amplifier - Max Sound Output 125 ± 5dB Voltage 1.5V Sound Gain ≥40dB Battery size LR754 Total Harmonic ≤6% Battery capacity/Mah 68 Wave Distortion Operation Current ≤4mA Operation current/mA 2.9 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-125 Analog BTE RIC Hearing Aid Hearing Amplifier - Max Sound Output 124 ± 5dB Voltage 1.5V Sound Gain ≥40dB/51 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation Current ≤4mA Operation current/mA 4.5 Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-117 Analog BTE Hearing Aid Hearing Amplifier - Max Sound Output 129dB±3 Voltage 1.5V Sound Gain ≥45dB±5 Battery size LR44H Total Harmonic ≤10% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-115 Analog BTE Hearing Aid Hearing Amplifier - Max Sound Output 130 ± 5dB Voltage 1.5V Sound Gain ≥45dB/44 Battery size LR754 Total Harmonic ≤5% Battery capacity/Mah 68 Wave Distortion Operation ≤4mA Operation current/mA 4.5 Current Frequency...

Wednesday, August 22, 2018

Quantity : 80000Pcs - Price : 3-50USD

- Specification of JH-113 Analog BTE Hearing Aid Hearing Amplifier - Max Sound Output 123 ± 5dB Voltage 1.5V Sound Gain ≥45dB/45 Battery Type AG13 Total Harmonic ≤5%/2.3 Battery capacity/Mah 160 Wave Distortion Operation ≤4mA Operation current/mA 5 Current/mA...