MiiKey MiiSport CMiiKey brings you the most advanced stereo headphones in its class. With latest Bluetooth connectivity (Version 4.0), its easier than ever before to pair your smart phone or any other Bluetooth device. MiiSport C introduces high definition stereo sound, all wirelessly. Experience extended highs, natural mid-tones, and powerful lows without any cords. With its deep base, MiiSport C is your personal club-on-the-go. MiiSport C delivers the hi-def musical experience that an artist wants you to hear when its produced. MiiSport C is the answer to all your communication and musical needs.Features: Playlist on-the-go need to connect to audio device, Can connect to two compatible devices simultaneously, Built-in Smart-talk compatible with Siri, Voice prompts for device functions, High-grade sponge earcups for soft comfort, Sweatproof sports design.Technical Specifications:Battery Charging Time (hrs): 2-3Battery Composition: Li-IonBattery Run Time for Talk (hrs): 10Battery Run Time Music (hrs): 8Battery Stand By Time (hrs): 300Battery Type: 330Bluetooth Operating Range (ft): 33Audio Connectivity: Bluetooth 4.0Headphone Build: Over-ear, behind the neck flexible headbandCharging Connectivity: USB to Micro USBSupported Bluetooth: Headset and Handsfree, A2DP and AVRCPUniversal Compatibility: Bluetooth 2.0 & higher devices: iPhone/iPad/Android/Blackberry/Bluetooth gaming consoles like PS3/other cellular phonesFoldable: NoIn the Box: MiiSport,charging cable, user guide.