1. Material: ABS, electronic components
2. Function: insert card, radio, voice prompt, call function
3. Channel: 2.1
4. Number of speakers: 1
5. Bluetooth protocol (wireless model): 5.1
6. Effective distance: 10 meters
7. Operation mode: button
8. Play format: MP3, WMA, WAV, APE
9. Support format: TF card
10. Frequency response: 90Hz-12 Khz
11. Signal to noise ratio: 65dB
12. Loudspeaker resistance group: 2 ohms
13. Output power: 8W
14. Built-in battery: 4500mAh lithium battery 3.7V (wireless model)
15. Charging voltage: DC 5V
16. Charging time: 1-2 hours
17. Use time: about 15 hours
18. Transmitter battery (wireless model): button battery (delivered with battery)
19. Multifunctional loudspeaker, digital clock design, can also be used as an alarm clock
20. Two styles, two ways of use, you can choose freely
21. The smart display shows the remaining battery power and the working status is clear at a glance
22. Dimensions: 7.5 x 11.5 x 3.1 cm
23. Product weight: about 230 grams

Packing List:
-Wired version: loudspeaker x 1, wired microphone x 1, belt x 1, data cable x 1, manual x 1
-Wireless version: loudspeaker x 1, wireless transmitter x 1, wired microphone x 1, belt x 1, data cable x 1, manual x 1