Bluetooth V3.0+EDR, with TF card,mic supported
Output power:0.5W*2,
Frequency:2.4GHZ-2.4835GHZ
Impedance:32OHM(Ω)
Supported protocols: HFP HSP A2DP AVRCP APTX
Transfer Distance: 10m,
Lithium battery capacity:350mAH,
Play/Talk time: 4-6hours,
USB chargiing time: 2hours.
Accessory: USB cable, color box
colors: black,blue,red