DESCRIPTION;-Pure HD Sound rich and clear. Experience the superior quality of Sound High Definition Stereo Music delivering audio quality exceeding that of other brands costing twice as much- Bluetooth 4.1 + Enhanced Data Rate and Noise Suppression technology for skip-free performance up to 40 feet- IPX5 Waterproof / Sweatproof protection–enjoy running in the rain or during your most strenuous workouts- Great battery life providing up to 6 hours of play- Slim, stylish design and comfortable fit for prolonged enjoyment. Always look your best wearing- Convenient to operate with hands free calling; easy to use controls to operate volume, skip, pause and play- Genuine Certified Bluetooth for flawless compatibility with all Bluetooth enabled devices. headsets have passed stringent quality standards ensuSpecificationVersion:V4.2Charging means:power adapter output (DC5V 150mA)Battery:High-capacity rechargeable lithium polymer batteryWireless Operation :Class 2Profiles supported:HSP/HFP/A2DP/AVRCP/APTXTalk time: up to 4 hoursStand by time : up to 50 hoursCharging time : about 1.5 hoursring you perfect, trouble-free operation. Other brands not displaying the logo may not be certified and may not be as reliable- Compatible with all Bluetooth enabled devices and super easy to pair – power on, turn on Bluetooth on your phone and connect. Even connect with two smart phones at once- Attractive, premium packaging with quality accessories.