Product Overview
1. Material: plastic box
2. Built-in microphone with hands-free (telephone) function
3. Built-in mp3 player, can play MP3 from TF card and U disk
4. Power supply: rechargeable lithium battery (300mAh)
5. Output power: 3W
6. Wireless: Bluetooth 5.0
7. Audio input: wireless + auxiliary input
8. Working distance: up to 15 mm
9. Speaker unit: 52mm
