Main Features:
1. Superior sound quality
2. Onboard 2W mono amplifier is connected to the speaker directly
3. 3.5mm gold plated headphone jack can connect with headphone or external audio
4. With a Micro USB port
5. Power supply: 3.7V battery ( not included ) or USB 5V
6. No soldering with speaker terminals for easy wiring
7. The module is designed to facilitate modification
8. Support MP3 format, playing power on automatically
9. Support U disk ( 32G ), TF card ( 16G ) play mode ( U disk and TF card are not included )
10 Buttons can be adjusted up and down to control songs, volume up and down, pause or play, mode switching
4.5*3.6*1.5cm
11g