Specifications: Bluetooth 5.0 connection, stable transmission and music play. Equipped with two 3.5mm AUX audio input ports. LED digital display, has the function of alarm clock and time. The surface is very smooth and like a mirror. Mini and compact design, you can carry it to anywhere or place it on desk, occupy less space. Equipped with TF card slot interface, support maximum 32GB memory card, but the card not included. Built-in 2000mAh lithium battery, can work up to 10 hours. Type: bluetooth-compatible Speaker Material: Plastic Bluetooth: 5.0 Support Protocols: A2DP/AVRCP/HFP/HSP Signal to Noise Ratio: above 84dB Distortion: Less than 0.5% Frequency Response Range: 175Hz - 20KHz Output Power: 5W Impedance: 4Ohm Input Power: DC 5V Work Voltage: 3.7V Power Supply Interface: Micro USB Battery: 2000mAh Lithium Battery (Included) Charge Time: about 5 Hours Work Time: about 10 Hours TF Card: Max. 32GB (Not Included) Features: LED Display, Alarm Clock, Subwoofer, Portable, Mirror Surface Length: 14cm/5.51" (Approx.) Width: 6.5cm/2.56" (Approx.) Height: 4.4cm/1.73" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x bluetooth-compatible Speaker 1 x USB Charge Cable 1 x Audio Cable 1 x User Manual LED Display, Alarm Clock, Subwoofer, Portable, Mirror Surface Plastic bluetooth-compatible Speaker LED Display, Alarm Clock, Subwoofer, Portable, Mirror Surface bluetooth-compatible Speaker