Transmitter receiver 3 in 1: The iSbeller Bluetooth adapter combines transmitter and receiver in one with a 3.5 mm aux socket. With the latest Bluetooth V5.0 chip, the Bluetooth connection is more stable and the wireless range is more than 30 meters. The updated Bluetooth 5.0 ensures stronger signal transmission and less crackling, or sound deterioration. Easy to pair and compatible with 99.9% Bluetooth devices. [Bluetooth Anywhere] The Bluetooth audio adapter transmits stereo audio wirelessly from your non-Bluetooth audio sources such as , MP3, CD players, PC or eBook to your Bluetooth-enabled headphones and speakers. or makes your home stereo Bluetooth enabled to receive wireless music streaming from your phone and tablet. The Bluetooth audio adapter belongs to stereo audio mobile devices. or make your home stereo Bluetooth to receive wireless music streaming from belongs to phone and tablet. [Easy to use] The Bluetooth adapter has multi-function buttons. You can pause / , skip /last track, increase / decrease volume by operating the adapter. This is practical. (Only used for receiver mode/mono) Colour: black Material: plastic Size: 76 x 27.5 x 11.5mm Package Contents: 1 x Audio Wireless Transmitter Receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.