Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Wireless Bluetooth Stereo Punk Mechanical Handheld Wireless Subwoofer Small Stereo Product parameters： Material ABS Color: White Bluetooth 5.0 Connection Bluetooth connection Frequency Response Range 60Hz-15KHz Signal-to-noise : 85dB Effective distance: 15 meters Rated power: 10 Rated voltage: 3.7 Power supply: built-in lithium battery Additional features: card insertion Product size: 11.8*7.5*7.5 cm/4.64*2.95*2.95 in Product description: Powerful Magnetic Speaker: the exclusive weapon of music enthusiasts, a new generation of live restoration system, small body, big energy, low pressure, through your every cell 5.0 Bluetooth connection: Bluetooth fast connection, stable sound quality, pleasant experience without restraints Ultra-long battery life: rechargeable speakers with high-capacity battery, built-in 1200mah high-capacity battery Multi-functional, compact, full-featured: support for U disk, card insertion, audio playback Cool ambient light: 360 degrees of LED light effects with the songs of the music and change endlessly Package Included: 1 x Audio 1×Data cable Wireless Bluetooth Stereo Punk Mechanical Handheld Wireless Subwoofer Small Stereo Product parameters： Material ABS Color: White Bluetooth 5.0