Crystal clear, high quality sound: Medium and high frequencies, which differ from our two precise acoustic drivers, deliver excellent stereo sound and improved bass thanks to our exclusive passive radiator design. 2 x 40 mm built-in portable dual driver speakers with crystal clear sound and strong bass without distortion even at maximum volume Louder volume and more bass: The small speaker offers 30% more volume and richer bass than other competitors. The crystalline 3W + 3W HD deep bass loudspeaker for active use outdoors and indoors: room-filling sound, perfect for home, dorm, kitchen, bathroom, car, parties; Music streaming or internet radio services like Pandora and Spotify Bluetooth 4.2 The Bluetooth reception range of up to 10-20 m offers you the fastest and most stable Bluetooth operation. Answer a call with the built-in microphone by pressing the button on the Bluetooth speakers. Also supports MP3, WAV, WMA and FLAC format for inserting a micro SD / TF card, and you can share it with another device like PC, Apple, Mac and tablet through a 3.5mm AUX cable (included) Ultra Portable: less than 13 ounces, the size of the portable bluetooth speaker: 7 x 2.5 x 1.7 inches. Rechargeable lithium battery with 2000 mAh and large capacity for a maximum of 6 hours of playing time at 2/3 volume and full charge. Suppot TF Card / U Disk to play and store music files so you have the media library with you. Integrated FM radio. Much better for traveling and hiking What we offer: You get: 1 x S3 Bluetooth speaker, 1 x micro USB cable for charging, 1 x 3.5 mm audio cable, operating instructions Product description Portable bluetooth speaker wireless speaker, bluetooth 4.2 subwoofer, HD stereo sound, speakerphone, FM radio, TF card support for iphone, ipad, samsung etc High fidelity stereo sound Joint with 2 x 40 mm speakers with deep bass and clear sound. Battery Bluetooth 4.2 wireless audio function with smooth streaming, 6-10 hours of playback. Stereo sound Perfect stereo sound. Music accompanies you always and everywhere. Ultra portable Much better for travel and excursions, light and easy to carry in a backpack or luggage. Broad compatibility Compatible with TF / Pendrive card to play and save music files and your media library. Integrated FM radio. Easy to look at