Features 1、One‑key switch of bluetooth receiving/transmitting mode, suitable for a variety of devices. 2、Bluetooth 5.0 version provides high-quality low-energy wireless audio performance. 3、Built‑in AEC noise cancellation and ANC noise cancellation circuit, gorgeous stereo sound, more pure sound quality. 4、Built‑in enhanced signal transmission circuit, faster and more stable connection, continuous tone. 5、With built‑in 600mAh high‑capacity battery, bluetooth adapter has a long battery life. 6、Suitable for Android/IOS system mobile phones/PAD, and all bluetooth audio devices. Specification Item Type: Bluetooth Adapter Material: ABS Bluetooth Version: 5.0 Bluetooth Protocol: for A2DP, AVRCP Life Time: >8H Bluetooth Distance: >10m / 32.8ft (open place) Lithium Battery: 600mah (battery included) Charging Method: for Micro USB 5V/0.5A Output cOnnection Mode: 3.5MM stereo interface Input Connection Mode: 3.5MM stereo interface Compatibility: for Android/IOS system mobile phones/PAD, all bluetooth audio equipments, audio equipments with audio input interface. Package List 1 x Bluetooth Adapter 1 x 3.5MM Audio Cable 1 x 1 in 2 out RCA Cable 1 x USB Charging Cable 1 x Manual