1, Bluetooth 5.4, chip: JL AC69732. Battery capacity: charging case 500mAh headset 40mAh3. Use time: 7 hours4. Material: ABS；Size: 54*52*25.5mm Total weight: 44g5. With LED intelligent touch screen, a variety of function settings can be directly operated by the charging bin6. The screen displays the current power and accurate time of the earbuds and the charging case
