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 Color: black Input port: type-c
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
