1. Sizes: 196*74*74mm. Weight: 487g
2. BT v5.1. Chip: JL AC6965E.
3. Battery capacity: 1800mAh, charging for about 3 hours.
4. Talk / music: 5 hours.
5. Speaker unit: 52mm * 2. Power: 5W * 2.
6. Support BT, TF card, USB flash drive, AUX, TWS and other playback modes.
7. Built-in colorful ambient light. 
