... .Bluetooth standard EDR 2.0, support A2DP V1.2, AVRCP,V1.4 profiles3. Transmission ... AVRCP V1.4 profiles;3W stereo output, and high-level sound qualitySupport line ... Bluetooth, a beep means the speaker is onOpen the Bluetooth of your mobile phone(for example), search and ... own R&D in our own factoryShipping: ²For samples, can be by express ... ²TT, O/A, L/C optional and flexible for mass orders²Working ...