Bluetooth  F5 Spescification: 1.BT version:V4.1 2.BT profiles:Hands free / Headset 3.Radio frequency:2.402-2.480GHz 4.Transmission power:Class2 5.Support A2DP:music playback (audio output: 35mW, Play / Pause) 6.Multi-points connections can be connected to two one with two BT devices simultaneously 7.Transmission range:15 m 8.Charging Power:AC input 110-240V DC output 5V (charging time / about 1.5 hours / charging voltage 3.7v) 9.4 hours talk time…