Main Features:
● 13.6g Lightweight
Lighter than the Xiaomi Bluetooth Music Sports Earbuds Mini Edition. Portable to carry. Comfortable to wear while running. You can enjoy relax and pleasure sport 
● IPX4 Waterproof
IPX4 waterproof, no worry about your sweat during sports would damage the earphone. Anti-shedding sports ear design, not easy to fall off 
● Copper Voice Coil and Ultra-thin Diaphragm
The metal composite diaphragm makes the sound effect more stable, effectively reducing the sound distortion and allowing you to experience more realistic music 
● Long lasting working hours
The built-in 120mAh battery provides up to 11 hours of music playback or 8 movies 
● Bluetooth 4.1 technology
● It is compatible with 4G networks. Allows pairing two Bluetooth devices simultaneously 
● 360 degrees adjustable ear hooks, comfortable wearing
● Built-in rechargeable battery, you can listen to music for up to 11 hours 
● Comes with line control and built-in microphone, you can answer the phone call and adjust the volume through the earphone
● 5 sets of eartips for your choice, perfectly fit your ears