Riversong Utopia L1 True Wireless Stereo Earbuds

-HD sound
-ANC Active Noise Cancellation
-Bluetooth version :BT5.0
-Transmission distance :Up to 10 meters
-Frequency range: 2.4-2.48Ghz
-Comfort Fit Wearing
-Battery capacity ( headphone): 40mAh
-Battery capacity(Charging box): 400mAh