Wireless speaker BS58 Crystal portable loudspeaker

BS58 Crystal, wireless speaker, BT v5.1, with 1800mAh battery, 4-5 hours of work, supports BT, TF, USB, AUX, TWS playback modes
1. BT version: v5.1. Chip: JL AC6965E.
2. Supported protocols: A2DP, AVRCP, HFP, HSP.
3. Transmission distance: 10m.
4. Transmission frequency: 2.4GHz.
5. Speaker unit:
1 × 4Ω8W 57mm speaker.
1 × low frequency diaphragm.
Working power: 10W.
6. Frequency response: 60Hz – 20000Hz.
7. Signal-to-noise ratio S/N: ≥ 85Db. Distortion THD: ≤ 5%.
8. Battery capacity: 1800mAh (Class A 18650 battery).
9. Charging input: Type-C 5V / 1A. Charging time: about 3 hours.
10. Use time: 4-5 hours (70% volume, light off).
11. Supports BT, TF card (≤ 32Gb), USB flash drive (≤ 32Gb), AUX, TWS and other modes.
12. Transparent shell. Multi-function control panel. Multi-color lighting.
13. Sizes: 142 × 142 × 181mm.
14. Weight: 665g.