Stylish appearance, simple operation, which is able to transmit and receiver freely.Through bluetooth-compatible reception mode you can send the phone music to the traditional home audio equipment.Built-in rechargeable battery, which has long using time.It solves the limitations of audio equipment perfectly and extends a variety of audio equipment transfer function.Fast connection, lossless transmission, more stable sound.The ultra-long receiving distance can reach up to 15 meters in unobstructed area.Supports all Bluetooth-enabled digital products such as mobile phones, computers, tablet, etc.Type: bluetooth-compatible Transmitter & ReceiverBluetooth Standard: bluetooth-compatible 4.2Transmission Distance: About 20M(Open Spaces)Battery: Built-in 200mAh Lithium BatteryFrequency Range: 2.402-2.480GHzInterface: 3.5mm Audio PortSize: 6.2cm x 4cm x 1.1cm/2.44" x 1.57" x 0.43" (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 Transmitter & Receiver1 x USB Cable1 x 3.5mm Audio Cable1 x User Manual