Edifier ES20 Portable Bluetooth Speaker 6W power, crisp full-range sound 2'' (55mm) passive bass radiators for punchy bass Bluetooth V5.4 ensures stable stereo IP67 waterproof and dustproof design High-Quality Sound Experience rich, immersive audio with 6W (RMS) total output power, driven by 1.7'' (43mm) full-range driver with neodymium magnets. It ensures crisp, clear sound across all frequencies. Bluetooth V5.4 with Stereo Pairing Enjoy a seamless, stable audio via Bluetooth V5.4, allowing you pair two speakers as a stereo speaker system. With stable and simultaneous connection of two Bluetooth devices, enjoy an ultimate audio experience. Long-Lasting Design More than 12 hours playback for a single charge, making it perfect for all-day uninterrupted music. No matter you are biking, camping or hiking, the long-lasting battery ensures your music never stop. Quality Sound Performance With 2'' (55mm) passive bass radiators, it delivers deep and punchy lows. Providing a powerful and dynamic music experience, it's perfect for music genres that rely heavily on low-end frequencies such as EDM, rock music. Dual Device Connection for Seamless Sharing Enjoy the convenience of connecting two Bluetooth devices simultaneously, allowing you and your friend to take turns playing the favorite playlist. Whether you are at a party, a hike or just hanging out, it ensures an unforgettable moments. IP67 Dustproof and Waterproof Built to withstand the elements, this speaker is IP67 dustproof and waterproof, so you can enjoy the music even in the rain or by the pool. Compact enough to hang from your backpack or road bike, it's perfect for outdoor adventures and a reliable companion for every adventure! Integrated Mic for One-Touch Answering High-sensitivity mic makes the call unobstructed, this speaker allows you to hands-free communicate with your friends when it's inconvenient to answer your phone while cycling or hiking. Various Ambient Light This speaker has a variety of built-in ambient lights to meet the needs of different scenes of use. Let the lights transform your audio experience! Easy to Control Control your music effortlessly with the top-mounted buttons, designed for quick and intuitive access to playback, volume and lighting. With the EDIFIER ConneX app, you can access more functions. SOUND Driver Units 1.7" (43mm) full-range with neodymium magnets Passive Radiator 2" (55mm) passive bass radiator Frequency Response 93 – 19kHz