1. Bluetooth version: V5.2
2. Chipset: JL6936D4
3. Frequency: 2.4G
4. Distance: 10-15m
5. Earphone battery capacity: 30mAh
6. Battery capacity: 200mAh
7. Working time: 3-4 hours
8. Standby: 120 days
9. Earphone size 30*18mm, battery bin size 44*44mm
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