Ankaka B51104 Dual Way Talking GSM Phone Voice Transmitter Hands Free Headset

Features

Can receive the call from the caller but cant call out.
Connect it to your cell phone charger or PCUSB port for changing via USB cable.
You can press voice button to adjust the volume, three level(large, middle, small), when it adjust to large volume you will listen "di, di" sound in ear piece, press to change in cycle.
After installation finished your phone call the SIM card number, you can listen and speak.

Specification

GSM Bands - 850/900/1800/1900MHz.
Max transfer power - GSM900 Class4 2w, DSC1800 Class1 1W.
Sensitive - -102dBm.
Dual battery - 400mAh, 600mAh.
Working time - 400mAh working 4-5 hours, 600mAh working 5-7 hours.
Standby time - 15days.
Volume - 3 level adjust.
Working temperature - -25degree - +70degree.
Voltage - 3.4-4.5V.
Current - 200MA.

Features

Can receive the call from the caller but cant call out.
Connect it to your cell phone charger or PCUSB port for changing via USB cable.
You can press voice button to adjust the volume, three level(large, middle, small), when it adjust to large volume you will listen "di, di" sound in ear piece, press to change in cycle.
After installation finished your phone call the SIM card number, you can listen and speak.

Specification

GSM Bands - 850/900/1800/1900MHz.
Max transfer power - GSM900 Class4 2w, DSC1800 Class1 1W.
Sensitive - -102dBm.
Dual battery - 400mAh, 600mAh.
Working time - 400mAh working 4-5 hours, 600mAh working 5-7 hours.
Standby time - 15days.
Volume - 3 level adjust.
Working temperature - -25degree - +70degree.
Voltage - 3.4-4.5V.
Current - 200MA.
Standby current - 1MA.
Compatible Ear piece - 218, 305.

Includes

1x Mini ear piece with battery 2 pcs 337.
1x GSM module.
1x User Manual.

- SKU: ANK021516

Warnings:

California Proposition 65 Warning: WARNING: This product contains chemicals known to the State of California to cause cancer andbirth defects or other reproductive harm.