Wherever you reach for your personal best, the sweat-proof Mpow® Swift Bluetooth Sport headphones keep pace with you. It delivers powerful audio but lets you hear your surroundings when you take it outside and has bright, reflective colors to add a measure of safety when you’re out for that nighttime jog or walk. Excellent Music Journey with top APT-X quality: Mpow® Swift adjustable three different equalizer levels. And our middle stage more close to the wired headset feeling with good layering and low sound density. Listen to your music like a true professional without sacrificing your looks. Minimum Background Noise: CVC6.0 Digital noise reduction technology,intelligent filter ambient noise,make it more clear in calling and music. Recreational Comfortable Design: Technical Ergonomics Design with medical earmuffs makes you feel more comfortable and stable. Same Model,Better for Using: Convenient in-line volume and microphone control allow you to adjust sound to your jogger, Running and other Sport preference. For Optimal Use: Compatible with Apple and Andriod smart-phones,tablets, and other devices with Bluetooth service. If your devices (such as iPod, Mp3) don’t have Bluetooth function, we recommend you to buy a Mpow® Bluetooth Music Transmitter and Receiver Warranty: Every Mpow® Product includes a 45 days money-back & 18-month worry-free Guarantee. Details: Bluetooth Standard: Bluetooth V4.0 Chips: CSR8645 high-end chip from CSR Plc Frequency Range: 2.4GHz Bluetooth Mode: Headset/handfree/A2DP/AVRCP Operation Range: Up to 30 feet Talk/Playing Time: Up to 6 hours Standby Time: Up to 185 hours Charging Time: 2 hours Includes: One (1) Mpow® Swift Bluetooth Stero Headphone Three (3) Eartips (small, medium, large) One (1) Micro USB charge cable Two (2) Indoor leisure fit stabilizer Three (3) Outdoor sport fit stabilizer One (1) User Manuel Includes FIve (5) pair fit stabilizers, Two (2) pairs for indoor leisure activity, and Three (3) pairs for outdoor sports.