Gas Transmission Open OWS 5.3 Bluetooth Earphone 1. Bluetooth solution: Jellyfish 7003 2. Battery capacity: 200mAh 3. Standby time: about 600H 4. Use time: about 15-20H 5. Charging time: about 1.5H 6. Charging port: Type-CUSB-C 7. Input: DC 5V 1A 8. Bluetooth version: 5.3 9. Communication distance: 10-15m without obstacles 10. Speaker: 13MM copper ring speaker 11. Weight: about 17g Features: 1. Movement without dropping the line, 15 hours of lasting life 2. Voice wake-up function, real-time reporting headset status, caller ID on off low battery link success disconnected status 3. Binaural stereo sound cavity, dynamic sound in the ear 4. Type-CUSB-C fast charging interface, easy to operate 5. Stereo surround sound quality, clear layers 6. Daily waterproof and dustproof, effectively prevent sweat damage components 7. Multi-function button operation, convenient and quick 8. Intelligent adaptation, with Bluetooth can be connected 9. High-strength titanium alloy material memory wire, memory arc, any bend can be restored 10. Air conduction technology, comfortable to wear