1. Bluetooth 5.4; Chip: JL AC7003D4

2. Battery capacity: Charging case 280mAh, headset 30mAh

3. Usage time: 4 hours

4. Material: ABS+zinc alloy; Size: 60.6 * 45 * 25mm; Total weight: 68.3g

5. Supports Hall switch, noise reduction, and transparency functions, and supports sliding tuning

6. Intelligent touch screen, multiple function settings can be directly operated from the charging case

7. The screen displays the current battery level and accurate time of the headset and charging case