REMAX RB-S2 MAGNETIC SPORTS Bluetooth headset is a perfect music product for active people who can not imagine sports without favorite songs. Earphones deliver crystal clear sound without distortions and in addition are equipped with wind noise reduction system. They are resistant to falling rain and sweat, so you don't have to worry about any damage. Silicone earbuds are precisely shaped to comfortably lie and do not fall out during daily workouts. RB-S2 has a voice command function that allows you to answer or reject a call without using your hands! Specification: Name: RB-S2 Magnet Sports Bluetooth Headset Brand: REMAX Model: RB-S2 Color: black , white Bluetooth Version: 4.0 Material: Metal + Silicone Power Key: button Connection: Bluetooth wireless Support setting: headset, hands-free Stereo: Support Transmission distance: 10M Supported languages: Chinese, English Voice prompts: Support Power display: Support( Apple) Music player: Support Remote Camera: Support Volume Adjust: Support Standby time: 160 hours Talk time: 5-8 hours Music playback time: 4-6 hours Charging time: 2 hours Microphone Sensitivity: -41 ± 1DB Frequency response: 20-20000HZ Output Sensitivity: 92 ± 3DB Impedance: 16 ± 10% Rated input power: 10MW Distortion: ≤1% Cable length: 75MM Compatible with: Mobile devices, mobile phones, tablet , PC, intelligent Bluetooth devices.