Bluetooth solution:Jieli
Bluetooth version:V 5.3
Speaker type:Φ10mm
Talking / Music time:about 30hrs
Standby time:280 hours
Charging time:about 1.5 hrs
Battery capacity:280 mAh
Input port:type-c
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1. upgrade high-end giftbox
2. transparent fashion design
3. super soft sinicone neckband,ware more comfortable
4. upgrade big battery capacity , longer music time
5. upgrade bluetooth version
6. silicon speaker , perfect sound quality
