CSR Bluetooth V4.0 chip

only 80g

Turn off automatically when Bluetooth connection is unavailable

Built in Large Lithium battery for 30days standby

Allow connecting two mobile phones simultaneously

Professional noise reduction microphone

•  Intelligent voice answer function

• Digital inverter power amplifier,clear and natural call

• Professional noise reduction microphone avoids distortion of call speech
  

• Bluetooth version: Bluetooth 4.0

• Input power: 600mV±50mV

• Output power: 2W

• Battery:3.7V

• Power supply: USB/DC 5V

• Product size: 121*19*46mm 

• Weight: 80g

• Color: Black Red

S-31 HandsFree Bluetooth Car Speakerphone leave the hands free make the driving more safe. it is so light only 80g, and innovative design with  Professional noise reduction microphone avoids distortion of speaker.

when you drive car, ride bicycle, ride motocycle, S-31 will be good mate.
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