Riversong Headphone V5.0 5V 1A Black

BT5.0 stable connection
Support TF card
Built in FM radio receiver
Foldable design for easy carry
Bluetooth version V5.0
Bluetooth solution: HFP,HSP,A2DP,AVRCP
Frequency range: 50HZ-20KHZ
Connection distance: 10m
Speaker size: 40mm
Impedance range: 32+5%
Battery capicity: 400mAh
Input: 5V 1A
Charging time: 2.5h
Playback time: 10h (volume at 70%)
Charging interface: Micro USB
Support : Aux/TF card
Net weight: 174g