Model:Kj12; Connection:Bluetooth5.0; Frequency Response:20-20000; Impedance:32; Activity:Trekking,Jogging,Fitness,Running,Outdoor,Driving,Everyday Use,Traveling,Airplane,Camping / Hiking,Zumba,Cycling; Charging Port:Micro USB; Capacity:200; Type:Ear Hook; Wireless/Bluetooth Range:10; General Use:for Mobile Phone; Communication:Wireless; Standby Time:300; Item Type:Hands Free Telephone Driving Headset; Features:LED Power Display,Smart Touch Control,Auto Pairing,Stereo; Music Time:20; Bluetooth Codecs:Support AAC,Support SBC; Charging Box Capacity:0; Headphone Size (Single):1143; Headphone Weight (Single):16.5