RB-S7 Sports Bluetooth Wireless Earphone - Black
Product Description:
- RB-S7 Sports Bluetooth Wireless Earphone - Black.
- Version: V4.1.
- Straight talk time: About 8Hrs.
- Music Play talk: About 6Hrs.
- Charging Time: About 2hHrs.
- Frequency Response Range:20-20000Hz.
- Speaker: 8mm.
- Bluetooth version: 4.1, RSE a faster connection.
- Distance: 10 m.
- Load voltage: 3.7 V.
- Impedance: 16.
- Speaker power: 5 mW.
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