English 
- Brand: REMAX
- Model: Wireless Sports Earphone RB-S25
- Specification:
- Bluetooth version: 4.2
- Transmission distance: 10m
- Output sensitivity: 92dB
- Mic sensitivity: -42dB
- Frequency response: 20-20000Hz
- Battery capacity: 70mAh
- Working time: about 3.5 hours
- Standby time: about 100 hours
- Charging time: about 1.5 hours
- Resistance: 32\u03a9
- Rated power: 30mW
- Driver unit: 10mm
- Cable length: 65cm
- Weight: 0.05 kg
- Bluetooth 4.2 connection, wide compatibility and more stable signal
- HD stereo sound offers you incredible sound experience with deep bass and crystal clear treble
- Built-in microphone for hands-free phone calling
- Support one-drag-two
- Remaining battery display on iOS phone
- Soft and ergonomic silicone earbud, comfortable to wear
- Suitable for running, jogging and other outdoor activities