1. Chip: 6973 Jerry
2. Battery: 120mAh
3. Wireless frequency: 2.4GHZ
4. Bluetooth version: V5.1+EDR
5. Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3
6. Transmission distance: about 10 meters
7. Charging voltage/current: 5V/1A
8. Charging time: about 1h
9. Time for listening to songs/talking: about 28h
10. Standby time: about 120h
11. Microphone sensitivity: -42dB
12. Packing list: earphone x1, with charging cable x1, ear cap x1, manual x1
13. Headphone size: about 4.9x4.5x2.4 cm
14. Weight: about 35 grams

Features:
1. The minimalist line design and the collision of the two materials unlock the aesthetics of craftsmanship and balance beauty and comfort
2. Thousand-yuan HiFi sound quality, enjoy music
3. Memory pairing, after Bluetooth matching is successful, it will automatically connect to Bluetooth after power on
4. Painless wearing, anti-dropping ear-hanging style
5. Adopt dual-core diaphragm subwoofer toilet horn, clear treble, deep bass
6. Amplify ear holes, so that the sound does not leak
7. Touch keys, one key can be controlled
8. Intelligent voice call voice reduction technology, high-definition call
9. V5.0 chip, stable transmission, simple connection, more enjoyable conversation and listening to music, stable phone calls, no lag in games
10. Easily call the voice assistant, long press the touch area for 2 seconds to activate the voice assistant
11. IP67 waterproof, dustproof and sweatproof