1. Material: ABS, electronic components
2. Function: touch, call function, support for music, multi-point connection
3. Bluetooth protocol: 5.0
4. Channel: stereo
5. Charging box battery: 200mAh lithium battery
6. Headphone battery: 35mAh lithium battery
7. Knob type charging compartment, easy to open, novel and beautiful
8. Pick up automatic pairing, simple and fast
9. Using 10mm powerful moving coil, with high-elastic PC composite diaphragm, experience the surround 3D sound effect