Product Bluetooth Version: V4.1 Bluetooth Distance: 10M Battery Capacity: 400mAh Working Voltage: 3.7V Signal to Noise Ratio: 75db Frequency Response Range: 50HZ-20KHZ Charging Voltage: DC 5V Playing Time: 6 Hours Size:9.7*5*7cm Material: metal Color: pink, black, wood grain color Packing List: 1 * Bluetooth Speaker 1 * USB Cable 1 * AUX Cable 1.Good Clear Sound The retro speaker with excellent clear and crisp sound fills your room to meet your high demand of speaker quality, perfect for home, dorm room, kitchen, bathroom, car, parties, travel etc. 2.Hands-free call, open handsyou can talk through the speaker, free your hands to do more, and let you play infinite possibilities in limited space. 3.Strong CompatibilityCompatible with most bluetooth devices, connected to your iPhone \/ iPod \/ iPad \/ smartphone\/ tablet in a few seconds,and can automatch with the device you last used. 4.6 Hours Battery TimeBuilt-in battery, play music tested for MORE THAN 10 hours, enjoy this mini bluetooth speaker from day to night. 5.Retro DesignThis retro wireless speaker has a nostalgic look that has been given a modern and fashion sense. The perfect detail realizes the value of the product, is the best collection of lovers of retro decoration and the best gift for seniors.