Bluetooth headset, JESBOD J05 Wireless Stereo Earpiece with charging box, Single In-ear Earphone Bluetooth 4.1 Earbuds Hands-free with Noise Cancelling Mic for iPhone and Android-Black UNIQUE USB Charger--LONG BATTERY LIFE: Besides the 5 hours long playtime by this earpiece, the attached unique USB Charger with 120mAh built-in battery could work as a backup battery case to provide an extended 7 hours playtime, 300 hours standby so that this earbud can guarantee around 12 hours using for a whole day without any worrying about battery low Bluetooth V4.1: Easy and fast pairing with smartphones, tablets and other Bluetooth enabled devices. Jesbod J05 bluetooth earpiece can pair with 2 different Bluetooth devices simultaneously. It will double the options for answering calls & enjoying music from 2 different devices at the same time SUPER LIGHTWEIGHT: Ultra light weight 0.23oz, make you feel cosy. Comfortable and secure fit with 3 different sizes of ear tips (S/M/L). It is ultra-lightweight with an ergonomic design, and is convenient and easy to take with you HANDS FREE CALLING: The built-in Microphone with noise cancelling could guarantee a moderate calling quality while driving or workout. The headphones allow you to answer or press your phone and enjoy safe driving during the conversation, it also supports broadcast call number One-Year WARRANTY: We provide the One Year warranty from the date of purchase for manufacturer defects. If the device fails due to a manufacturing defect, please contact us directly to initiate return and warranty process. Note:Any problem/question, please kindly contact us firstly. Our Customer Support Team will get back to you within 24 hours