Dimension:130x66.5x46mm Weight: 250g Bluetooth version: V5.0 RF Range More 10M (without obstacles ) Charging means Micro USB Microphone: YES Battery: Rechargeable 1500mAh Li-polymer battery Speaker40* 5W *4Ω Profiles supported : A2DP,AVRCP,HFP,HSP Music time up to 6 hours LED Time Display Time:45 hours Charging time about 5 hours Colors : Black/Red / Blue / Pink Profiles supported : A2DP,AVRCP,HFP,HSP Music time: up to 6 hours LED Time Display Time:45 hours Charging time about 5 hours Colors : Black/Red / Blue / Pink