Kans Gentle Series Wireless Bluetooth 4.0 Earbuds Headset Earphones for iPhone 6s Plus and other Smartphones [ULTRALIGHT & POTABLE]The weight of the headset is only 0.3oz.You can carry the music around you without feeling the headset exist CSR BLUETOOTH 4.0 TECHNOLOGY: easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices; you will not miss any important calls. [360 Degree Adjustable Ear Buds] Ergo-Fit Design for Ultimate Comfort and Fit [A convenient inline controller]let you manage calls, play and pause music, and skip tracks WHAT-YOU-GET: Kans Bluetooth Headset,12-month worry-free warranty, and friendly customer service