Mini invisible ergonomically designed to fit either ear</br>3-4 hours playing times 144 hours standby time so small so powerful</br>Bluetooth V4.1 compatible with 99% of Bluetooth devices on the market</br>Build-in Microphone achieves Hands free Call Answering with voice prompts</br>Fashion designed style Beautiful carrying case great gift for your friends and loved ones</br></br>Product Description</br></br><p><b>Premium Wireless Sweatproof Bluetooth In-Ear Earbuds with Noise Reduction Streaming Music Stereo Beats Gym Headsets with Mic By Bummd</b></p> <p><b>-----Function-----</b></br> Previous / Next song Pause / play Volume+/ Volume- Cancel a call Answer a call Reject a call End a call Redial the last call Call transfer(headphone to phone) Call transfer(phone to headphone) Microphone mute Cancel mute Battery Status Indicator on iPhone / iPad Voice Prompts .</p><p><b>----- Lossless and pure stereo HD sound-----</b></br> Noise cancellationreduce background noise and echo noise effectivelynot easily interfered by the surroundings.</p><p><b>-----Stable in earfreedom in sports-----</b></br> 3 pairs of earbud(S/M/L) to fit different ear size.</br>Plasticity memory wirerevert back instantlyno deformation.</br>Curve designthe headphones don't need extra earhooks also be stable and comfortable in your ear. You can sport?? running or workout.</p><p><b>------Control headsets easily-----</b></br>Voice prompt and indicator light to monitoring earphone status. <p><b>------Sweatproof and waterproof design-----</b></br> But do not wea