NewRixing NRG401C Outdoor Portable Karaoke Wireless Speaker High-Power Audio Amplifier With Mic(Black) Feature: 1. Bluetooth5.0 technology: Equipped with the advanced technology 2. High power 5W 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. 1200mAh battery provides up to 8 hours of playback at 23 volume when fully charged. Specification: 1. Bluetooth-compatible version: 5.0 2. Bluetooth-compatible distance: <33 feet 3. Output power: 4Ω 5W x 1 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: 1200mAh 9. Charging time: 2-3 hours 10. Listening Talking Time: 6-8 hours 11. Product size: 28.4x10.2x12cm (with mic) 12. Packing size: 16x11.5x30cm (with mic) 13. G.W: 968g Porduct Including: - Bluetooth speaker x1 - USB cable x1 - User manual x1 - Mic x1