S6 Portable Subwoofer Mini Card Bluetooth Speaker (red)1. Dual speaker + bass diaphragm, 360 degree 4D panoramic sound effect, HI-FI sound quality, bass is more thick. 2. The built-in LED light of the speaker, when the music is played, the color of the light changes in turn. 3. WeChat income broadcast, loud, clear, real-time broadcast of each income. 4. Bluetooth 5.0, the connection is more stable, faster, and the effective distance is 20 meters. 5. Built-in high-definition call microphone, support hands-free calling, intelligent noise reduction and no noise, so that the call is zero distance. 6. Built-in 2000mAh lithium battery, charging time is about 4 hours, music playing time is 10 hours. 7. Support U disk / TF card / AUX playback, enjoy music anytime, anywhere. 8. Support all devices with Bluetooth. 9. Mini size for easy carrying. Specifications: 1. Support TF card (up to 32GB). 2. Speaker power: 2 x 3W 3. Audio interface: 3.5mm. 4. Charging voltage: DC 5V. 5. Weight: 468g.