PRODUCT INFORMATION
1. Model: i18
2. Bluetooth version: 5.0
3. Cal l time: about 1-3 hours
4. Music time: about 1-3 hours
5. Headphone size: 44mm*17mm
6. Charging box size: 55mm*45mm*19mm
7. Battery capacity: 40mAh
8. Charging box capacity: 320mAh
9. Connection distance: within 10-15 meters
10. Function: touch earphones, talk with two ears, and use left and right ears alone.
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