1. The blutooth 5.1 + ER/BDR
2. The chip: jie 6976
3. The headset capacity of 40 ma, charging tank capacity of 300 ma
4. Music playing time: 4-6hours, 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
9. The Hi - Fi sound, chip smart noise reduction,
10.TYPE C charging port, private mold patent
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