CredDeal 2nd Sports Wireless Stereo Bluetooth 4.0 Neckband Headphones Compatible with iPhone 6 plus, 5s, 5, 4, laptops, PC and all Bluetooth Device Wireless bluetooth stereo headphones with streaming audio compatible for all smart mobile phones,PC,laptop,tablets and MP3 players,PS3. Up to 8 hours playing time and 300 hours stand by time will last through all of life's little adventures with you ,within a range up to 30 ft. Behind-the-head design eliminates tangles and provides a light, which is perfected for music on the moving,your daily workout or outdoor adventure. Built-in Microphone design, digital tuning and enhanced bass deliver rich, clear sound so you can hear your music on-the-go. Adopt International Advanced 4.0 Bluetooth Solutions.Ultra light weight ,Only 30g.