Description Additional Information Description 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 View AllClose Additional Information TYPE: In-Ear View AllClose
