SDRD SD-301 2 in 1 Family KTV Portable Wireless Live Dual Microphone + Bluetooth Speaker Parameter: 1. Bluetooth solution: Jerry Bluetooth4.2 2. Bluetooth distance: 10 meters 3. Product size: 29x14.5x12.5cm 4. Speaker power: 2x10W 5. Speaker specification: 4 inch external magnet 6. Battery specifications: built-in 18650 1800MAH 7.4V 7. Play time: 2-3H 8. Charging method: Charger specification: 5V-2A 9. Charging time: 1-2H 10. Product material: ABS plastic 11. Main function: Bluetooth TF card AUX U disk comes with K song mode 12. Packing size: 30x15x18.5cm 13. Accessories content: data cable + audio cable + two wireless microphones 14. Microphone scheme: BK U band 15. Microphone distance: 10 meters 16. Microphone battery specifications: built-in 18650 1500MA 3.7V 17. Microphone charging time: 1-2H 18. Microphone type: unidirectional condenser Features: 1. Condenser microphone, supporting all mainstream karaoke software. 2. Supports wireless Bluetooth connectivity for devices such as mobile phonestabletslaptopsdesktops. 3. Six sound effects, switch at will. 4. HiFi sound, the sound quality is more fidelity. 5. Support AUX insertion, the sound is more stereo. 6. Built-in high-capacity battery for long use time. 7. Suitable for all kinds of scenes, such as family entertainment, friends gathering, outdoor karaoke and so on.