Donemore Portable Handheld Bluetooth Mic Speaker, Mini Mechanical Buttons RGB Lights, Wireless Sound Single Audio, for Karaoke, Meeting, Outdoors, Speech, Party Features: Nostalgic Design: this speaker we do Nostalgic Design, retro elements, feel the passage of time in the music, I you can also experience from the music. Surround stereo: we did a 360 ° surround sound quality, creating a three-dimensional shocking bass, so that the sound power! Multiple connectivity: it supports Bluetooth connectivity for cell phones, and can also be into a card or U disk for playback without the use of a cell phone RGB light effects: we did rgb color light effects and LED light effects, with the of bouncing lights, more charming in the evening Ultra-long battery life: long-lasting battery life, low-power battery life, ultra-long standby, continuous battery life of about 5-8 hours, allowing you to enjoy music for a long time. Product Description: Connection: Bluetooth connection Frequency Response Range: 100HZ-20KHZ Signal-to-noise : ≥70db Number of speakers: 1 Effective distance: 10 Case material: ABS Power supply mode: lithium battery Bluetooth version: 5.0 Built-in battery capacity: 1000mAh-1200mAh (included) Rated power: 3W Rated voltage: 5v Product List: 1*Sound 1*USB cable Product Description: Connection: Bluetooth connection Frequency Response Range: 100HZ-20KHZ Donemore Portable Handheld Bluetooth Mic Speaker, Mini Mechanical Buttons RGB Lights, Wireless Sound Single Audio, for Karaoke, Meeting, Outdoors, Speech, Party Features: