Kaisi&reg; Wireless Bluetooth Speaker Built-in Microphone, Alarm Clock, Thermometer-wood Wireless portable speaker via Bluetooth connection phone, computer, tablet, ipod or any other Bluetooth devices. Advanced audio performance delivers a full-range listening experience. Fashionable appearance, suitable for the Home and Office. This device can also be used to do? Friendly large in-cell LED digital display for time, alarm clock, thermometer and display at room temperature,5V@2.1A USB Charging port, AUX-in interface. What's in the Package? Kaisi Speaker Box, 3.5mm stereo cable (16 inches), AC adapter, user guide.