JEEP Real Bone Conduction Headphones Bluetooth Wireless Earphones Waterproof Sports Headset with Mic for Workouts RunningSPECIFICATIONS Number Of Drivers: 2 Charging Method: Cable Sound Isolating: YES Brand Name: JEEP Width[mm]: 100 Driver Diameter: 13 Height[mm]: 47. 5 Material: ABS Resistance: 32 Communication: Wireless Frequency Response Range: 20 20000 Style: Ear Hook Depth[mm]: 142 Plug Type: NONE Waterproof: Yes Is wireless: Yes Vocalism Principle: Bone Conduction Support Memory Card: No Origin: Mainland China With Microphone: Yes Certification: CE Active Noise