Riversong EA209 Dynamo Wireless Earbuds, Black | EA209
- Slide design
- HD sound
- Long battery life
- Metallic coatingModel number：EA209
- Bluetooth version :BT5.1
- Bluetooth chip :JL6973
- Transmission distance :a10 meters
- Frequency range: 2.4-2.48Ghz
- Fransmission distance : Up to 10м
- Battery capacity ( headphone): 35mAh
- Battery capacity(Charging box): 300mAh
