REMAX RB-S9 Sporty Bluetooth wireless Earphone
- Model: RB-S9
- Bluetooth version: 4.1
- Sensitivity:92dB
- Frequency: 2.40GHz-2.48GHz
- Chargeing port: Micro USB
- Battery capacity: 130 mAh
- Standby time: 180 hours
- Talk time: 10 hours
- Playing time: 9 hours
- Charging time: 1.5h
- Frequency Response Range:20-20000Hz
- Length: 60cm
- Net weight: 15.1g
- Transmission radius: 10m
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