TrueComfort / CrystalTalk / Quick charge / Flip Form Factor / RapidConnect Microphone / Quick Battery Check / microUSB connector port # MotoPure H15 has the best background noise cancellation. Take calls from the stadium, crowded restaurant or windy streets. Enjoy pure Sound quality on both ends of the conversation with CrystalTalk. The flip design is easy to use - open to talk and close to save battery. CrystalTalk cancels out background noise & echoes, as well as wind resistance, using dual microphones. The included desk stand delivers one hour of talk time in less than fifteen minutes of charging. Connect with two compatible Bluetooth enabled phones simultaneously. No need to reconnect. EasyPair technology helps simplify how you connect with your compatible Bluetooth enabled device. Convenient three-color display allows for instant battery level check. Universal Compatibility - Tested to work with over 15 brands such as Motorola, Nokia, Samsung, Sony-Ericsson and LG # Weight: 0.49 ounces