Multi-Function Bluetooth Speaker with Snooze Alarm, Digital Clock Display, Touch Sensor Indicator Light, Hands-free Calling, and USB Charging, Compatible with All Bluetooth Devices Rechargeable Battery: The Bluetooth speaker features a built-in 2400mAh lithium-ion battery. Playtime is approximately 8 hours with up to 2 weeks of standby time. Easy charging via USB cable with a charging time of 4 to 6 hours. Compatibility with Various Devices: Easily connect to computers, tablets, and smartphones via wireless Bluetooth. Connect to non-Bluetooth devices using the AUX input. Play music directly from a USB port or SD card (TF card not included). Adjustable Volume and Light Control: Adjust volume using the control buttons. Touch interface allows control of light brightness and color selection with 7 lighting modes available. Digital Clock with LED Display: Clear and easy-to-read LED screen. Includes sleep mode and snooze function. The lamp and speaker automatically turn off after the set time. Built-in speaker and microphone enable convenient hands-free calling.