Colours: - BLACK -WHITE Specifications: Name RM-S2 Magnet Sports Bluetooth Headset Brand REMAX 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 Product List Headphone x1,storage pouch x1,charging cable x1,headphone QA x1,Warranty card x1,manual x1 Features: 1. Top configuration, professional sound 2. Original chips ,Bluetooth 4.1 version, woking more stable ,keep nature sound 3. Fashion and cool design bring you best experience of music 4. Around the neck innovative design, magnet attracting, portable and convenient, specific designed for sports 5. Smart remote camera function,double click volume button to take a picture 6. Ergonomic earplugs, perfectly fit your ear, with three sizes. to ensure that earbuds will not fall in doing exercise 7. Intelligent noise reduction, enjoy the hustle and bustle of sports 9. Smart Bluetooth HD calling experience, built-in HD microphone, high-quality voice for you 10. Multi-function wired control,much easier to answer / hang up call and switch songs 11. 160 hours standby time ,up to 8 hours talking time 12. Compatible with: for more than 99% of the market hot-selling models, for Apple, Samsung, millet, Huawei, HTC, and others 13. All English retail package will promote your local selling Packing: Qty/outer box:70pcs, Outer box:Carton box, G.W.:16.80kgs/ctn Certification: ROHS, FCC, CE Lead Time: Have stock with REMAX brand. *Due to this product have bluetooth apps connection, it's under Singapore IMDA regulation. Therefore it's for export use only.