6 Sections 18650 Battery Multi-function Mobile Power Box with 12.4v Round Head & 5v USB Dual Voltage Output Without Battery(Black) Tag-Public Broadcasting 5 x 26 x 3cm

5 x 26 x 3cm

Number of keyboards: 104 keys

TF card music playback

transmitter 8x4

Easily push the screw from the strong magnetic step to the vertical correction area to improve work efficiency

6 Sections 18650 Battery Multi-function Mobile Power Box with 12.4v Round Head & 5v USB Dual Voltage Output Without Battery(Black) Tag-Public Broadcasting 5 x 26 x 3cm1. This battery box has XP67 waterproof function. 2. There is no need to spot welding the battery, which greatly reduces the internal resistance of the battery and improves the battery discharge performance, thereby effectively increasing the battery life. 3. Easy to use, using 6 18650 lithium batteries. 4. With DC connector input and output voltage 12. 4V. The USB connector has an output voltage of 5V and a current of 2A, which can charge the phone.