1.Operating ambient temperature:  -10° to 40°
2.Relative humidity:  10% to 90% 
3.Battery capacity:  100 mAh Li-ion Battery
4.Charging voltage:  5 V DC
5.Charging time:  1 hr
6.Standby time:  100 hrs
7.Bluetooth Version: Bluetooth 3.0(TAIWAN Airoha)
8.Autodyne Frequency: ≥500 Times
9.Support Systems:Andriod3.0,ios4.0 or upper system(phone should be Apple,
Samsung,MIUI and other High-end brand mobile phone )
10.Max Transmitting distance: 10M
11.Working Power: 3.5mA/ 3.0 V - 4.2 V
12.With 2600mah pwer bank function (2000mah in fact)                                                                                           13.Material:Aluminum hydride Ccan be concave tube,and anycolor)                                                                                    14.Net weight:300g                                                                                                                                                        15.Length:295-1000mm