Features: 1. Made of ABS material, light and durable. 2. The gold-plated area is larger, the appearance is good-looking, and the unique and beautiful appearance design. 3. DSP sound fid processing is adopted to support sound changes to meet your entertainment needs. 4. Using the newly upgraded microphone pickup, the sound is loud and not easy to be distorted. 5. Built-in magnetic dual speakers with diaphragms, providing high-definition sound and stereo surround to ensure a more enjoyable music experience. 6. It is suitable for home, KTV, singing, etc., and supports the interconnection of dual microphones. It can be connected to the same mobile phone, sing the same song, and realize a duet. 7. Multiple functions: wiress microphone/wiress playback/USB drive/TF card/AUX inputParameters: 1. Bluetooth version: V5. 02. Bluetooth distance: 10m 3. Battery capacity: 2400mAh 4. Charging time: 3.5 hours 5. Battery life: 3-6 hours 6. Input voltage: DC5V 1A 7. Frequency response range: 60Hz-15KHz 8. Speaker power: 4 ohms/7Wx 29. Signal-to-noise ratio: greater than or equal to 80dB 10. TF card: maximum support 32GB 11. Product size: 23.7x13x13.2cm 12. Product weight: 1115.8gPacking list:Bluetooth speaker x 1Microphone x 2Charging cable x 1Chinese and English manual x 1