The Simplecom BH310 in-ear Bluetooth wireless stereo headset combines portability with premium sound quality. Metal earbuds help to deliver a full-range sound experience. Super-soft ear adapters in a choice of three sizes give you a perfect fit, and silicon wings for secure fit on your ears. The BH310 features magnetic earbuds, clip together to prevent cord tangles and falling out. In-line mic and volume control compatible with any mobile phones with Bluetooth. Overview Comfortable Bluetooth Sports Earphones Deliver Style and Sound Quality The BH310 deliver clear sound and dynamic bass with latest Bluetooth 4.1 Wireless Technology. Soft earbuds form a seal to block external noise, allowing you to immerse yourself fully in the music without distraction. And with three different sizes of ear caps, you're guaranteed to find the right fit for your ear. Smart Magnetic Earbuds Prevent Tangled Cables and Falling Out The magnetic earbuds design allows the two earbuds attract with each other, forming a circle that could hang on your neck to avoid falling down or losing when you finished exercising, also it's easy for you to pop the headset in a bag or pocket and pull it out again without worrying about tangled cables. Convenient In-Line Mic for Phone Calls For easy operation, the BH310 includes a sleek, in-line mic for use with your mobile phone so you can switch seamlessly from listening to chatting. Features: Latest Bluetooth 4.1 Wireless Technology Metal Earbuds help to deliver a full-range sound experience Anti-tangle flat cable Silicon wings design to prevent earbuds fall out when listening Magnetic earbuds clip together to prevent cord tangles and falling out Ergonomic and streamline design, comfortable fit for extended exercises Interchangeable ear buds ensure you get perfect fit Built-in microphone for hands-free phone conversation Talking or Music time Up to 3.5 hours Standby time up to 100 hours Specifications Bluetooth Version: 4.1 Wireless Distance Range: 10M Battery Capacity: 70mAh Nominal Charging Time: About 2 hours Talk and Playing Time: Up to 3.5 hours Standby time: Up to 100 hours Weight: 18g Package Contents 1x BH310 Sport Bluetooth Headphones 1x Pair of Silicon Wings 3x Pair of Silicone Ear Plugs (S/M/L) 1x Micro USB Charging Cable 1x User Manual Box dimensions Weight (kg): 0.5 Length (cm): 0 Width (cm): 0 Height (cm):