1. Bluetooth version: V5.3
2. Transmission distance: about 10m
3. Battery capacity: 180mAh
4. Charging time: about 1h
5. Use time: about 18-36h
6. Charging port: Micro USB
7. Waterproof grade: IPX 3

Features:
1. Directional sound transmission technology, privacy protection without sound leakage
2. 13mm full-range graphene diaphragm sound unit, balanced full-frequency hearing, presenting crystal clear sound quality
3. Bluetooth 5.3, more stable connection, low latency
4. Lightweight and compact, no pain, fresh and breathable.
5. Ear clip design, not picky about ear shape, comfortable to wear
6. Double noise reduction, sponge noise cancellation technology, automatic identification of human voice and noise, improve clarity
7. Touch operation, sensitive and convenient
8. Stable connection without disconnection, low latency, synchronized sound and picture.
9. Widely compatible, with Bluetooth can be connected to use