NewRixing NR-4025FM with Screen Outdoor Splash-proof Water Portable Bluetooth Speaker, Support Hands-free Call / TF Card / FM / U Disk(Black) Filter-10 - 11 inch Magsafe magnetic charging is supported

Magsafe magnetic charging is supported

3cm (Transmitter) / 10*6

General Compatible with ThinkPad:  L480 14 inch

1) U disk capacity: 4GB

Using 4K30Hz HDMI compliant technology

NewRixing NR-4025FM with Screen Outdoor Splash-proof Water Portable Bluetooth Speaker, Support Hands-free Call / TF Card / FM / U Disk(Black) Filter-10 - 11 inch Magsafe magnetic charging is supported1. 10W high power, with boost 2. External adjustable FM radio antenna + LED electronic screen 3. Battery capacity: 1500mAh 4. Charging time: 4 hours 5. Perform Bluetooth playback test at percent 80 volume, playback time: 2 3 hours (playing time varies with volume and audio content) 6. Speaker: 2, external magnetic 5ohm, 5W 7. Signal to noise ratio: about 80dB 8. Bluetooth standard: 5. 0+EDR 9. Working distance: about 10 meters 10. Input voltage: DC5V