1. Bluetooth version: 5.0
2. Transmission distance: about 10m
3. Battery capacity: 800mAh
4. Charging input: 5V 1A
5. Charging time: about 6h
6. Play/talk time: about 60h
7. Standby time: up to 400h
8. Waterproof rating: IPX5
9. Charging port: USB

Features:
1. Foldable design, easy to store and carry
2. The headphone head can be freely retractable, easily stretched, and convenient to store
3. HiFi large moving coil, composite diaphragm design
4. Designed to fit the neck, skin-friendly material, no sensation into the ears, comfortable to wear
5. HiFi dynamic stereo sound
6. Diamond face craft design, beautiful and textured