Specifications:This bluetooth-compatible adapter supports 3.5mm audio interface, which can be connected to computers, TVs, mobile phones, stereos and other devices for wireless transmission.You can switch the receiving/transmitting mode with one key, which is very suitable for multiple devices.With this bluetooth-compatible adapter, the bluetooth-compatible can be upgraded in one second, solving the problem that the TV cannot be connected to the bluetooth-compatible headset, making it more convenient to watch football games and movies.Let wired speakers be instantly upgraded to bluetooth-compatible speakers, get rid of the shackles of wired, and support a variety of active speakers, computer speakers, power amplifiers, vehicles, tuning and other equipment.Item Name: bluetooth-compatible AdapterMaterial: ABSBluetooth: BT 5.0Technology: A2DP, AVRCP(Receiver Mode Only)Operating Range: up to 10m/33ft(without Any Obstacles)Charging Time: 2 HoursContinuous Use Time: 6 Hours(Receiver Mode)/5 Hours(Transmitter Mode)Battery Capacity: 200mAh(Included)Features: One Key Switch Function, Portable, Durable, Convenient to Use, Easy to CarrySize: 41mm x 41mm x 10mm/1.61" x 1.61" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Adapter1 x Micro USB Power Cord1 x 3.5mm Audio Cable1 x User Manual