1. Bluetooth version: 4.2
2. Ergonomic design comfortable to wear
3. Comes with 8GB memory capacity can store 1500 music
4. The earphone has built-in pedometer chip independent APP control accurate speed measurement can record steps duration distance speed etc.
5. Adopt P2i nano coating technology which can resist the corrosion of water splash and sweat
6. Automatic shrinking line no winding convenient storage
7. Multi-function keys simple operation
8. After shutting down and restarting the song before power off will be played automatically
9. Packing list: host x1 USB cable x1 manual x1 ear cap x2 pair OTG x1 packaging x1