Range of bluetooth communication: a straight line without blocking state, more than 10 to 50 meters (mobile devices such as different types and the environment will affect the distance).
Power supply: built-in lithium battery
When charging is: 3 hours (please extend the charging time charge for the first time)
Time: 15 hours
Even the mobile phone play 20 hours
Standby time: 300 hours
Interface: Micro USB, TF CARD

2. Product function characteristics:
Intelligent bluetooth, wireless HIFI

1) suspended decay HIFI sound effects
2) the USB computer file copy
3) the entire intelligent voice navigation
4) bluetooth audio transmission, file transfer

3. Product instructions:
Products after boot automatically when no other external devices inserted into the bluetooth state, have the voice prompt: "into the bluetooth", said the system into the bluetooth pairing of external devices and automatically find before, if you can't find before matching the external device, voice has tip: "waiting connection", at this time you can search to connect devices such as mobile phone bluetooth headset;If it to find the external devices before matching pairs automatically, after a successful prompt the connection is successful, at the same time automatically broadcast mobile devices such as the default player songs (because mobile devices such as the default Settings, if can't automatically play, require you to manually open players play music).