Celebrat A4 wireless headphones price in kenya Version V4.2 Drive unit 40mm Sensitivity 105dB±3dB Colors Black/red Talk time 8-10 hours Music time 8-10 hours Standby time 60days Charging time 2hours Charging voltage DC 5V Best work range ≤10m Frequency response 10Hz-10KHz Input voltage DC 5V Charge port Micro USB port Battery capacity 300mAh Profile HSP, A2DP, AVRCP/HFP