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Overview and Specifications:

Interface type: USB 
Bluetooth version: bluetooth 4.0 
Battery capacity: 450 mAh 
Features: vehicle-mounted hands-free call, with speaker, bluetooth connected mobile phone music play, voice alarm number 
Functional features: 
1. The latest bluetooth version: V4.0+EDR 
2. Working frequency range: ISM frequency band (2.4 ~ 2.48GHZ) 
3. The wireless connection range is up to 10 meters 
4, support Hands – Free, Headset bluetooth protocol specification 
5. Built-in DSP noise suppression and echo cancellation functions (special noise reduction enables you to open the window and talk clearly at a speed of 120 yards!) 
6. High fidelity 2W speaker and high sensitivity microphone 
7. Battery type: lithium,3.7v, 450mah 
8. Talk time: 20 hours 9.
Standby time: up to 1000 hours 10.
Charging time: 2 ~ 3 hours

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