SDRD SD309 Wireless Microphone Bluetooth Audio All-In-One Machine(Black)

1. Battery capacity: 7.4V/2000 mA
2. Product size: 330x175x155 mm
3. Weight: 2.6 kg
4. Frequency response: 100 Hz-18KHz
5. Bluetooth protocol: Bluetooth 4.2
6. Dual speakers, independent bass system, 3D surround sound, enjoy wireless freedom
7. Use AV to 3.5mm audio cable to connect to TV, let you feel the atmosphere of KTV at home
8. Applicable scenarios: K singing, family activities, watching movies, listening to songs, parties