1. Bluetooth 5.4, chip: JL AC6973 2. Battery capacity: charging case 500mAh; headset 40mAh 3. Use time: 7 hours 4. Size: 54*52*25.5mm; Total weight: 44g 5. With LED intelligent touch screen, a variety of function settings can be directly operated by the charging bin 6. The screen displays the current power and accurate time of the earbuds and the charging case
