V.one Small Wireless Bluetooth Earbud with Microphone Noise Cancelling and Portable Charger Mininal Earphone Dimension 13.825.2mm Smallest in the World-Single Earpiece BE011(black) 1: V.one Mini Bluetooth earbud use Bluetooth 4.1 with advanced audio decode technology, which enable wireless connections to your smart phones and other Bluetooth devices and gives this ultra-small wireless earbud unparalleled sound quality. CVC 6.0 digital noise reduction technology intelligently filters ambient noise and enables clearer sound during calls and while listening to music. 2: V.one Mini Bluetooth earbud is the smallest in the world,it is very easy to be carried out. Built-in microphone you can easily answer calls on the road. The button on the wireless earbud enables telephone and music controls: answer or reject call, dial the last number, and play or pause music. 3: V.one Mini unique patented conductive portable charging system will make you never worry about running out of battery. V.one Mini by itself has a music and talk time of up to 60 minutes. The small lipstick size charger can recharge the Bluetooth earbud up to 5 times, which in total provides up to 6 hours of talk time on the road or during driving. 4: V.one Mini Bluetooth earbud can connect with two Bluetooth source devices simultaneously. For example, connect the earbud to your iPhone or Android phone, and to your iPad, tablet or laptop at the same time. If you are streaming music from the iPad, tablet, or laptop, and has an incoming call on the phone, the wireless earphone will intelligently switch to your phone seamlessly and it allows you to answer the call easily without the hassle of repairing. 5: V.one Mini wireless Bluetooth earbud is perfect for running, gym, biking, hiking, and any other activity. It's hands-free for maximum convenience. Compatible with iPhone 6s, 6s Plus, 6, 6 Plus, 5s, 5, 4s, iPod; iPad, iPad Mini, iPad Pro; Macbook, Macbook Air, Macbook Pro, iMac, Mac Pro, Mac Mini; Samsung Galaxy S7/S6/S5/S4, S7/S6 Edge/Edge+, Note 5/4/3/Edge; other Android and Windows smartphones, tablets, laptops, and computers.