1. Bluetooth 5.4; Chip: JL AC6983D4 2. Battery capacity: charging case 300 mAh, headset 25 mAh 3. Usage time: 3.5 hours 4. Material: ABS + zinc alloy; Dimensions: 54 * 44.5 * 23.3 mm; Total weight: 54 g 5. Supports Hall switch 6. Intelligent touch screen, various function settings can be operated directly from the charging case 7. The screen shows the current battery level and the exact time of the headset and charging case
