STEREOTWINAUDIO WIRELESS SPEAKERENERMAX STEREOTWIN speakers feature BLUETOOTH CSR® V4.0 chipset to provide quick and seamless connectivity for true wireless stereo sound. The aluminum exterior presents a modern and stylish feel. Equipped with ENERMAX DreamBass™ technology, STEREOTWIN delivers amazing high-definition and deep bass sound. You can enjoy high-quality wireless stereo sound any time, any where.FeatureSTEREOTWIN speakers to create dual-channel sound effect STEREOTWIN can generate powerful sound. Pair STEREOTWIN via BLUETOOTH connection (the operational range up to 75 feet) to form left and right channel and enjoy the freedom of maximum mobility. Superior CSR® V4.0 technology Built-in advanced CSR® V4.0 chipset offers quick and seamless connection to smart phones, tablets or other BLUETOOTH devices, creating high-quality music streaming to amplify your listening experience.DreamBass™ technology creates loud and clear sound With 4 watt driver and passive radiator, STEREOTWIN harnesses ENERMAX DreamBass™ technology to generate rich bass sound. Durable build Premium aluminum housing makes the speakers sleek yet durable. The shock absorbing rubber at the bottom keeps the speaker in place despite heavy vibration as audio is playing. ENERMAX LED technology creates a touch of premium eleganceEasily access your music STEREOTWIN is equipped with a 3.5mm aux input jack for line-in music play. The audio cable is included for you to enjoy your favorite music from any audio sources. User-friendly interface Easy access interface allows users to wirelessly access to play, pause, track forward / backward, volume +/-, and hands-free talking. Operating this speaker is simple and straightforward. Support hands-free talking Built-in microphone enables you to answer calls from your BLUETOOTH-enabled phones while meeting or exercising.