With elegant and fashionable appearance， excellent and pure tone quality， this EARSON ER151 Waterproof Dual Loudspeakers Wireless Bluetooth Sporty Speaker will offer you infinite pleasure during your sports time. Designed into mini and portable style， it is convenient to take along with you all the time. Elegant appearance and meticulous workmanship make it popular and well received. Designed into dual speakers， it is unique and practical. In addition， with universal 3.5mm audio interface， it can still play music with a standard cable without Bluetooth devices.                                    Features            Waterproof， shockproofand dustproofTop tier global acoustic quality to build first-class Bluetooth stereo speaker10m effective Bluetooth transmission functionA2DP stereo wireless transmission， surging bass effectMini triangle shape， small and uniqueBuilt-in 1500 mAh high quality polymer lithium-ion battery for 8 hours playbackSupport rechargeable up to 1000 timesDual speakers with the latest Bluetooth digital amplifier maximum output power of 15 watts， the sound is loud and clearExtra strong passive bass diaphragm patented technology， 2.1 stereo sound， allowing you to enjoy cinematic sound                                                            Specifications            Audio Type    Portable Bluetooth Audio    <br>Channel System    2.0 Channel    <br>Active Passive    Active    <br>Control    Button    <br>Bluetooth Version    2.1 + EDR    <br>Transmission Distance    10 meters    <br>Rated Power    4W    <br>Frequency Response    60Hz - 20KHz    <br>Speaker Unit    (2x1.5)"    <br>Impedance    4Ω    <br>Packaging Weight    17.99oz / 510g    <br>Packaging Dimensions    (8.27 x 4.33 x 2.76)" / (21 x 11 x 7)cm (L x W x H)    <br>Dimensions    (5.91 x 2.36 x 2.36)" / (15 x 6 x 6)cm (L x W x H)    <br>Product Weight    8.82oz / 250g    <br>Color    Black    <br>                                                            Package Includes            1 x Bluetooth Speaker1 x USB Charge Cable1 x Audio Cable1 x Manual                                                            Extra Info