DescriptionSupport TF card, plug and play, convenient and practical. Crafted workmanship ensures it durability and practicality. Multi-color optional, button replacement, knob adjustment. Retro appearance, mini shape, which is fashionable and practical. Applicable for music playing such as computer, mobile phone, car, etc.Features-Material: Plastic, lithium battery, electronic components. -Size: About 9.50X6.50X5.50cm / 3.73X2.55X2.16inch. -Connection method: Wireless connection. -Battery capacity: 1200 mAh. -Frequency response range: 60Hz-15KHz. -Output power: 3W. -Signal to noise ratio: 70db. -Power supply mode: built-in lithium battery. -Play time: 6 hours. -Extended storage: 32GB. -Effective distance: 10 meters. -Operation mode: button. -Support format: TF card. -Speaker adjustment method: knob. -Power mode: USB. -Support TF card, plug and play, convenient and practical. -Crafted workmanship ensures it durability and practicality. -Multi-color optional, button replacement, knob adjustment. -Retro appearance, mini shape, which is fashionable and practical. -Applicable for music playing such as computer, mobile phone, car, etc.