NewRixing NRG6601A Outdoor Portable Karaoke Wireless Speaker 20W Audio Amplifier With Mic Feature: 1. Bluetooth5.0 technology: Equipped with the advanced technology 2. High power 20W with bass diaphragms. 3. Call function, noise canceling microphone allows you to answer calls without reaching the phone. 4. FM radio allows you to listen to radio freely. (In radio mode, press the play pause button for 3 seconds, it will automatically search and store radio stations.) 5. Support TF card or misro SD card up to 32G, support USB 2.0 disk. 6. Support USB flash drive plug and play. 7. Support external MP3 MP4 computer and other audio input (AUX) functions 8. Bluetooth-compatible 5.0, fast connection and stable signal, compatible with all bluetooth devices. 9. 2400mAh battery provides up to 5 hours of playback at 23 volume when fully charged. Specification: 1. Bluetooth-compatible version: 5.0 2. Bluetooth-compatible distance: below 33 feet 3. Output power: 4Ω 10W x 2 4. Frequency response: 100Hz-18KHz 5. FM broadcast band: 87MHz-108MHz 6. Input Voltage: DC5V (1A) 7. Noise-signal radio: 80dB more 8. Battery capacity: 2400mAh 9. Charging time: 5 hours 10. Listening talking time: 4 hours 11. Product size: 20x19.7x44.3cm 12. Packing size: 20x20x44.8cm 13. G.W: 2251g Porduct Including: - Bluetooth speaker x1 - USB cable x1 - User manual x1 - MIC x1 - Remote control x1