1. No earplugs, no earplugs, no ear picking, no pain, the combination of mechanics and aesthetics, no feing, comfortable and not easy to fall 2. Minimalist shape, full of craftsmanship and aesthetics, color mix and match 3. A single earphone can be used for 8 hours when it is fully charged, and the charging box can recharge the earphone twice, with a total battery life of up to 30 hours, ensuring continuous power and continuous music for every trip 4. The two earphones are equipped with Bluetooth chips, regardless of the main ear and the auxiliary ear, seamless switching between single and double ears 5. Bluetooth 5.1 chip, the transmission speed and connection stability are greatly improved, and can provide ultra-low power consumption performance 6. 10 meters transmission distance, IPX5 waterproof 7. Pick up and connect, no need to wait 8. Open type, you can talk and listen without taking off the earphones 9. Compatible with most devices with blue function on the market, mobile phones, tablets, computers, etc. can be connected 10. 16mm large size unit, enjoy high-definition sound 11. Dual-chann lower latency, easy to control when playing games, automatic connection when you leave the cabin 12. Power supply mode: USB charging/built-in lithium battery 13. Battery capacity: about 50mah for earphones, about 500mah for charging compartment 14. Frequency response range: 20Hz-20KH 15. Input: DC 5V 200mA (headphone), DV 5V 1A (charging box) 16. Bluetooth protocol: A2DP, AVRCP, HFP 17. Approximate working hours: 8h (single earphone) + 16h (charging box) 18. Chip type: Jerry