• Bluetooth V4.1+EDR CSR chip technology, wireless connection within 10m working range

• Connect with two phones at the same time, possess auto-connect function once paired

• Safe driving: simply say "Yes" to answer a call, no need to press the answer key

• The extra-large 3W speaker provides clear and loud voice

• Built-in lithium polymer battery brings working time up to 20h

• Ideal for hands-free call and safe driving, design to transfer HD sound of music, radio, GPS Navigation or any other type of audio from your Bluetooth device

• Simply attach it to your car sun visor with back clip, no wired restriction, compatible with nearly all mainstream Bluetooth device
  

Specification: 

• Bluetooth standard: Bluetooth version 4.1 + EDR wireless 

• Connected distance: 0-10meters

• Battery: 650mAh
  

• Charging time: About 3hours 

• Hands free working time: About 17-20hours 

• Stand-by time: About 1400hours / 60days

• Size: 130 x 50 x 15mm