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Noise reduce performance:24dB

Bluetooth version : V4.2

Support profile :A2DP AVRCP HFP HSP

Working time : 

               ANC on & BT on about 10h

               ANC on & BT off about 14h

               ANC off & BT on about 20h

Battery capacity : 400mAh

Dimension :210*155*83mm

Weight : about 268.8g