“1. Bluetooth 5.4; Chip: Bluetrum AB5656B
2. Battery capacity: 300 mAh; Charging time: 1.5 hours
3. Usage time: 32 hours; Standby time: 180 hours
4. Material: ABS + silicone + PU leather
5. Dimensions: 196 * 190 * 89 mm; Weight: 197 g
6. Open design with zero contact between ears and earmuffs
7. Supports prompt sounds in Chinese and English: press the power button twice when not associated”