1.Twin wireless stereo bluetooth earphone
2.Wireless version: V4.2+EDR,low voltage
3.Speaker impedance: 32ohm
4.Microphone Sensitivity: 42Db
5.Frequency: 2.4GHz
6.Battery Capacity: 65Mah in 2 earphones/950mah in charging stand
7.Working Temperature: 10-55 degree
8.Input: DC 5V
9.BT transmission Distance: 12m
10.Playing time: 5-6hours
11.Charging time: 3-4 hours
12.Standby time:8 hours for charging stand
13.Support calling report
14.Compatible with IOS/Android Device
15.Color: white, black
16.Packing size: 8.1*4.1*13.1cm
17.One set weight: 103g
18.Included:one pair bluetooth earphones, case, manual and cord