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) HiFi and clear and perfect sound. 
Press and hold the back or forward button to adjust the volume. Easy to use portable and mini size 
Specification: 
Product color: black, silver, rose gold, red, blue 
Material: ABS/Metal 
Whether to support radio: support 
Whether to support TF card: yes 
Audio Input: No 
Transmission distance: 10 meters 
Bluetooth name: BT-SPEAKER 
Micro Charge Input: DC 5V / 1000 mA 
Battery capacity: 3.7 V/300 mA 
Charging time: 2 hours 
Music playing time: 1-2 hours 
Accessories: charging cable 
Product size: 72mm*72mm*46mm 
Packing: 74*74*65mm 
Packing list: 
Speaker*1 
Data cable*1 
Notice: 
Please allow for slight size differences due to manual measurements. 
If there is any problem with the product, please feel free to contact us, we will solve it for you!