ZXL-H3 Portable Teaching Microphone Amplifier with Time Display, Spec: Wireless Version (Black)

1. Material: ABS, electronic components2. Function: insert card, radio, voice prompt, call function3. Channel: 2.14. Number of speakers: 15. Bluetooth protocol (wireless model): 5.16. Effective distance: 10 meters7. Operation mode: button8. Play format: MP3, WMA, WAV, APE9. Support format: TF card10. Frequency response: 90Hz-12 Khz11. Signal to noise ratio: 65dB12. Loudspeaker resistance group: 2 ohms13. Output power: 8W14. Built-in battery: 4500mAh lithium battery 3.7V15. Charging voltage: DC 5V16. Charging time: 1-2 hours17. Use time: about 15 hours18. Transmitter battery (wireless model): button battery (delivered with battery)19. Multifunctional loudspeaker, digital clock design, can also be used as an alarm clock20. Two styles, two ways of use, you can choose freely21. The smart display shows the remaining battery power and the working status is clear at a glance22. Dimensions: 7.5 x 11.5 x 3.1 cm23. Product weight: about 230 grams