Bluetooth Headsets/Bluetooth Headphones/Bluetooth Earphones/Bluetooth Ear buds SPECIFICATIONS: 1. Talk Time: up to 15 hours; 2. Music Time: up to 10 hours; 3. Standby Time: up to 20 days; 4. Bluetooth Version: 4.0 5.Bluetooth Working range: 10M 6. Supported Bluetooth Profiles: A2DP, AVRCP, HFP, HSP. Compatible With: iPhone6s 6s Plus/ iPhone6 6Plus/5S/5C/5/4S/4 iPad 4th, 3rd, 2nd, 1st, iPad Mini iPod Touch, ipod shuffle Samsung Galaxy S6 S5 S4 S3 S2, Note 4/ Note 3/ Note 2, Tab Series Other Bluetooth enabled devices for different brand Amazing Battery Life Standby time up to 20 days, music time up to 10 hours and talking time 15 hours, and you can see the battery indicator on your phone notification bar (it works for both Android and Apple). No need to worry about the battery life, just enjoy your trip and sports! Crystal clear sound Whether its the calls or the music, the sound of this Bluetooth Headphones comes in very clearly and loudly. The Noise Cancelling quality for calling sounds natural and works great. Smart Neckband Design Having the freedom to move around and free your hands for other things, without the hassle of wires dangling around your body, and dont need to worry that the earbuds will drop off. Whats in the box 1 x Bluetooth Headphone 1 x USB Charging cable 1 x User Manual 6 x Replacement Ear buds (L/M/S) ATTENTION: Please recognize the right and left side ear buds and keep them in correct sides. The controls are on the right side. Do not wear right ear bud in left ear. Or headphones are easy to fall out.