1. BT 5.1 + ER/BDR
2. The chip: jie 6976 d
3. The headset capacity of 45 ma, charging tank capacity of 400 ma
4. Music playing time: 5-7hours, charging times :3 times
5..Speaker unit: φ 10mm 32 ω
6. Pause/play, volume up/down, up/down
7. Dual-ear call, automatic pairing after startup
8. Waterproof level: IPX5-6
Hi-fi sound, chip intelligent noise reduction,
10. Three digital display function
11. The TYPE C charging port, private patent
12. Color: black/red