1. BT v5.3. Chip: JL 6925F.
2. Battery capacity: 400mAh, charging time is about 2 hours.
3. Use time: 12 hours (10 hours with lights on). Standby time 120 hours.
4. Sizes: 194*173*74mm. Weight: 184g.
5. Supports BT, AUX and other modes.
5. Specially designed for children. The volume is limited to 85 decibels to protect children’s ears. Lightweight, suitable for children to wear.