1. Small speaker with card function, support TF small memory card
2. The data cable is directly connected to the computer and can be switched to a computer speaker.
3. Support all mobile phones, computers, iPads, etc. with Bluetooth function
4. Support hands-free function + built-in microphone function, you can directly call after connecting
5. With super shock sound quality, large sound field, intelligent voice prompt, audio input line USB charging function
Output power: 3W*2
Internal magnetic diaphragm speaker: 4Ω 3w
Input sensitivity: 400mv
Resolution: ≥90db
Signal to noise ratio: ≥80db

Working voltage: dc 5v