bluetooth connection: V4.0 can connect bluetooth products for audio playback 10 meters <br>phone: cell phone hands-free voice function <br>music format: MP3 / WMA, WAV/SBC <br>LED light is adjustable and controllable<br /></p> <br /></p><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5680f4be2dfd012a2f65bffb-1-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5680f4be2dfd012a2f65bffb-2-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5680f4be2dfd012a2f65bffb-3-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><img src="https://contestimg.wish.com/api/webimage/5680f4be2dfd012a2f65bffb-4-original.jpg" alt=""width="800" noproxy><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;"><p style="text-align: center;">