Riversong Ea33 Rhythm L

HEADPHONE RHYTHM L EA33 BLACK
Specification of Wireless
Bluetooth version: 5.0
Support Profiles: A2DP?AVCTP?AVDTP?AVRCP?HFP?SPP?SMP?ATT?GAP?GATT?RFCOMM?SDP?L2CAP
Operation Distance: 10m
Transmitting Power: Class 2
Frequency Range: 2.402 -2.480 GHz
Speaker: ?40mm
Impedance: 32?
Sensitivity: 110dB+ / – 3dB
TF card supported: 128M-32G
FM frequency response: 87.5-108MHz
Rechargeable lithium battery: 500mAh
Talking Time: 10 hours
Music Playing Time: 10hours
Charge Time: 3hours?