What you got : Dual USB Car Charger with Bluetooth Headset Bluetooth version：4.1 support protocol：HSP、HFP、A2DP、AVRCP Compatibility：all mobile phone with Bluetooth Bluetooth distance：＞5M（open space） power input：DC12-24V USB output：DC5V，3.1A USB output with Multiple circuit safety design，Overcharge protection, short circuit protection, overheat protection, overload protection。Intelligent output, compatible with mobile phones, tablet PCs and other digital products。Using intelligent identification IC, Output 3.1A current stablely, as fast charge 3.0 standard. battery：3.7V，40MAH work time：about 3H（play music) charging time：about 1 H charging way of earphone：by USB or car charger working temperature ：-10～50℃
Trustpilot
2 weeks ago
1 day ago
