1. Built-in 0.96-inch LCD display screen operation and connection are more intuitive 2. Long-distance flights, cross-border travel must use your own headphones to watch movies on the plane 3. Type interface charging and data transmission dual-purpose, no extra wires are required, get rid of wires, play freely, get rid of wired headphones and constraints, operate flexibly and freely, enjoy fun 4. More applications Wireless fun, support TV, projector, MP3/MP4, CD player to add Bluetooth function and Bluetooth version upgrade! 5. The speaker becomes a Bluetooth device in seconds, and the travel and play are more enjoyable. The real-time display of power can grasp the usage at any time, and it supports charging while using. The ultra-long battery life does not worry about power anxiety and listening to music fearlessly. Color: Black Bluetooth version: V5.3 Screen specifications: 0.96-inch TFT screen Casing material: ABS+PC Single set weight: 80g Packing method: boxed Single set contains: host*1 adapter*1 manual*1 storage bag*1