Home Portable Bluetooth Speaker Small Outdoor Karaoke Audio 1. Case material: ABS 2. Waterproof grade: IPX 5 3. Bluetooth version: 5.3 4. Speaker power: 7W 5. Operating voltage: 3.7V 6. Signal-to-noise ratio: greater than 95dB 7. Frequency range: 60HZ-20KHZ 8. Battery capacity: Y1 about 1200mAh, Y2 about 2500mAh 9. Connection mode: Bluetooth connection 10. Frequency response: about 2.5 hours 11. File format: support for MP3 WMA WAV 12. Earphone interface: support 3.5mm audio cable input 13. Weight: Y1 single microphone about 410 g, Y2 single microphone about 570 g, Y1 dual microphone about 490 g, Y2 dual microphone about 650 g 14. Size: Y1 microphone about 4.1 x 13.8 cm, speaker about 9.4 x 8.5 x 8 cm; Y2 microphone about 4.1 x 13.8 cm, speaker about 9.7 x 11.5 cm Functional features: 1. 3-unit sounding configuration, large volume, surging high sound quality, dual internal magnetic speakers, spatial audio 360-degree sound field, HIFI sound quality, more dynamic, full-frequency speakers, exploding the energy of each note 2. Ambience pull full, will be $1,000 glazed speaker light effects into the K song audio, up to 16 independent lamp beads, a variety of RGB singing light effects, light with the sound movement 3. Turn on the second connection, 10 meters of smooth connection, stable and worry-free, transmission of high-quality lossless audio, stable connection without delay, no lagging 4. All-round stereo surround, 360-degree home-style karaoke hall, with 3 speaker units sound body, presenting a rich and mesmerizing surround sound effects 5. Long battery life, large power, singing 10H, using high-capacity lithium battery, to meet the long time mobile Karaoke, charging only 3.58h, singing all day 6. Lift the Bluetooth speaker, upgrade the sound quality more shocking, three-channel speakers and the integration of artistic aesthetics, adding a sense of ceremony to listen to music 7. Microphone upgrades, better looking and better sound, unique appe