1. BT v5.0. Chip: JL AC6925F.
2. Battery capacity: 400mAh, charging for about 2.5 hours.
3. Use time: 7 hours. Standby: 300 hours.
4. Sizes: 204*156*80mm. Weight: 195g.
5. Support BT, TF card (≤32g), AUX and other modes.
6. Support Chinese and English prompts, double-click the multi-function button in the unpaired state.