1. Bluetooth 5.4; Zhongke Bluexun AB5712C
2. Battery capacity: 800mAh; Charging time: 2 hours
3. Use time: 90 hours (45 hours with ANC); Standby time: 200 hours
4. Dimensions: 20.4 x 17.4 x 8.2cm; Weight: 270g
5. Support Bluetooth, TF card, AUX mode
6. Support ANC noise reduction
7. Support Chinese and English prompt tone: Double-click the M key when not paired