1. Charging interface: Type-C 2. Battery capacity of charging compartment: 600mah 3. Play time: up to 6 hours 4. Sound unit: 10mm 5. Take the headset out of the charging compartment, the headset will automatically turn on and pair with the corresponding device, put it in the charging compartment, the headset will automatically shut down and charge 6. Bluetooth 5.0, faster transmission speed, lower power consumption, more than 10 meters of barrier-free transmission distance 7. Touch button operation, easy to use 8. Ergonomic design, comfortable to wear 9. Headphone size: 28x18x25mm, charging compartment size: 60x29.5x43.5mm

http://olla.gr/le-703-bluetooth-5.0-waterproof-true-wireless-sports-bluetooth-earphone-black/