1. BT specification: BT V5.0 JL.
2. Speaker: 12mm.
3. Audio plug: for Lightning interface. Weight: 12g.
4. Microphone: controller with microphone.
5. Earphones cable: TPE enameled wire, cable length: 1.2m.
6. Wire control: smart wire control adjusts the volume, playback control, pause / play, support call function, support pop-up window for Lightning interface mobile phone connection.