HIFI Wireless Bluetooth Headset, Lightweight V4.1 HIFI-MK5 Headphones / Earphones with mic (Green) Brand new high quality wireless bluetooth headphones, earbuds, earphones, headset for sports, fitness activity (running, gym, exercise), while driving, having conference and while working. Compatible with iphone 6, iphone 6s, iphone 6 Plus, iphone 6s Plus, iphone 5, iphone 5c, iphone 5s, iphone 4s, ipad, ipod, LG G2, Samsung Galaxy S6, S6 Edge, S5, S4, S3, Note 5 and Other Android Cell Phones. High performance audio: hi-definition - MK5 with clear sound in ear filtering the noise around delivering a clean audio experience for pure pleasure within your ear. Designed with compact and lightweight advanced wireless Bluetooth 4.0 headphones. Durable and sweat-proof suitable and reliable for indoor and outdoor activities.