Magnetic Mini Speaker, Built-in magnetic technology allows it to stick to refrigerators, iron doors, metal cabinets, and more. Back Clip Design, Comes with a back clip that can be attached to backpack side pockets, waistbands, bicycle handlebars, and more. Bluetooth Connection, Quickly connects to your phone for a stable connection without interruption. High-fidelity sound quality reproduces music details. Warm Night Light, With a gentle , warm light spreads like moonlight, transforming the speaker into a gentle night light. It doesn't strain your eyes when up at night or reading before bed. Screen-Equipped Speaker, Equipped with a clear screen on top, the time is displayed at a glance. TF Card Playback, Supports Bluetooth playback and TF card playback, meeting your various playback needs. Product Name: Magnetic speaker Rated Power: 5W Battery Capacity: 400mAh SNR: 85dB Product size:59 x 41 x 62mm Bluetooth Version: 5.0 Battery Type: Polymer Battery Frequency Response: 60Hz-120kHz Function: Time display, Bluetooth connection, TF card playback, Hands-free calling, Night light, Magnetic back clip Color: Black Material: ABS Package Contents: 1 * Bluetooth Speaker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.