3.94 x 2.76 x 0.67 inches

【Headphones Excellent Compatibility】Compatible with all lightning connector devices, Headphone are widely compatible with iphone 6s / 6s Plus / 6 Plus / 6 / SE / 5S / 5C / 5, Samsung Galaxy S7 / S6 / Google, Nexus 6P / 5x, HTC One, Nokia, Motorola, Windows Telephone, tablet, PC, MP4 / MP3, laptop and other devices that are compatible with 3.5mm headphones. 【Connection Method】You need to first open blue-t00th on your phone, then insert the headset into the iPhone, a pop-up window will appear in a few seconds, you need to click "Connect with iCloud". (The second or later insertion of the phone will automatically connect) 【Ergonomic Design】Combining classic design noise reduction, give you premium sound quality and maximum comfort. It produce exceptional frequency response for an enhanced listening experience and creates a better sound isolation and minimizes external sound interference.Earphones with ergonomic angular design and soft & premium eartips not only give you a comfortable listening experience but also less likely to fall out even when you are running, hiking or jogging.