Speakers - Universal New Bluetooth Speakers for Mini Smart Portable Bluetooth Speaker Subwoofer | White Suitable for use with mini smart portable Bluetooth speaker subwoofer | White Portable Bluetooth Speaker (White) Features: 1. Mini Bluetooth speaker with no built-in battery; requires connection to a USB-C power source to operate. 2. Power adapter must provide at least 1.5A output for proper functionality. Lower output may result in unstable operation, flashing lights, or o alerts. 3. Control panel includes volume up, volume down, and play/pause functions. The speaker automatically powers off after 5 minutes of inactivity when not connected to a device. 4. Long press the volume up and volume down buttons to adjust volume. When two speakers are powered on simultaneously, stereo pairing is activated, enabling speaker-to-speaker connectivity. 5. Color: White