NewRixing NR138W Wireless Microphone TWS Handheld Noise Reduction Portable Smart Bluetooth Speaker 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 field 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 quality 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: wireless microphonewireless playbackUSB driveTF cardAUX input Parameters: 1. Bluetooth version: 5.0+EDR 2. Wireless distance: 10m 3. Output power: 3 ohms 9W 4. Speaker size: 52mm 5. Frequency response: 100hz-18khz 6. Input voltage: DC5V 1A 7. Battery capacity: 3.7V 2000mAh 8. Charging time: 3 hours 9. Working time: 6 hours 10. Noise signal: above 80 decibels 11. TF card: maximum support 32GB 12. Product size: 14.1x11.1x8.2cm 13. Product weight: 680g Packing list: Bluetooth speaker x 1 Microphone x 1 Audio cable x 1 user manual x 1