Retro Bluetooth Stereo Portable Outdoor Home Stereo Classical Portable Plug-in U Disk Stereo Features: Retro Bluetooth audio, 360 ° panoramic sound, leather carry handle design, and, lightweight design, convenient to carry outdoors. Comprehensiv-e upgrade rubidium magnetic speakers, diaphragm gold sound structure, 1:1 high resolution restoration of sound details, sound transparent and natural, as if the music scene. Built-in noise-canceling chip, clearer calls, do not worry about the noise when talking. Support AUX, memory card, Bluetooth, U disk, FM radio, five modes, pick your favorite mode. Built-in 1200 mAh high-capacity battery, charging of 1.5 hours, listening to songs for 12 hours. Product Description: Product name: retro Bluetooth audio Color:Blue Bluetooth version: 5.3 Rated power:5W Battery capacity: 1200 mAh Charging time: 1.5 hours Use time: 8-12 hours Signal-to-noise ratio: ≥90DB Size:5.51*3.14*2.75in Weight:290g/0.63lb Included: 1x Bluetooth audio 1x Charging Cable 1x Audio Cable