Riversong Utopia L1 Earbuds | EA219
- HD sound
- ANC Active Noice 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
