Audio Components Describe: Can be connected to mobile phones, notebooks as music players Can be connected to a computer as a computer player with perfect sound quality Can insert memory card, USB, as MP3 player Support TF card, U disk, etc. (excluding memory card) and clear and perfect sound. Press and hold the back or forward button to adjust the volume. Easy to use and mini size Specification: Product color: black, silver, rose gold, red, blue Material: ABS or Metal Whether to support radio: support Whether to support TF card: yes Input: No Transmission distance: 10 meters Bluetooth name: BT-SPEAKER Micro Charge Input: DC 5V or 1000 mA Battery capacity: 3.7 V or 300 mA Charging time: 2 hours Music playing time: 1-2 hours Accessories: charging cable Product size: 72mmx72mmx46mm Packing: 74x74x65mm Packing list: Speakerx1 Data cablex1 Notice: Please allow for slight size differences due to manual measurements. If there is any problem with the product, please feel free to Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.