Bluetooth 3.0 technology for lower energy consumption but more stable connection and faster transmits speed, wireless operating distance is up to 10m ( barrier-free space )
Can play music from AUX, and Sd card directly, very convenient to use sensitive touch buttons / hands-free calls / voice prompt / supports aux in / microSD card with Higi Bass
Built-in 2500mAh rechargeable li-ion battery supplies 4 - 8hours music time
Built-in Microphone & Noise Cancellation Function, you can have a more clear and safer call with your families and friends