Charge3 Life Waterproof Bluetooth Stereo Speaker, Built-in MIC, Support Hands-free Calls & TF Card & AUX IN & Power Bank(Red) Filter-Switch 1) One 40pin IDE port

1) One 40pin IDE port

4 inch and below laptop

Coverage area: 10 meters

0 with built-in DSP

Charge3 Life Waterproof Bluetooth Stereo Speaker, Built-in MIC, Support Hands-free Calls & TF Card & AUX IN & Power Bank(Red) Filter-Switch 1) One 40pin IDE port1. Bluetooth V4. 1 technology, up to 10m transmission distance. 2. Built in Microphone: Supports hands free calls. 3. Support TF card music playback, plug and play. 4. Support AUX Audio Function. 5. Life waterproof. 6. Up to 6 hours playing time. 7. Can be used as a power bank. 8. Output power: 2 x 10W. 9. Frequency response: 65Hz 20KHz 10. Signal to noise ratio:>=80dB 11. Battery: 3. 7V, 6000mAh 12. Power supply: 5V 2. 3A 13. USB charge output: 5V