Muscle gun with 5000mah bluetooth speaker 6051

Material: ABS+Painting+ Plating
Size: 138x114x47mm
Battery: Li-ion cell 5000mAh/3.7V/18.5W
Type C input: 5V/2A
Speaker: φ36 4Ω 3W
Bluetooth version: 5.0
Accessory: Spherical head, flat head, U head, tapered head
1 key with 3 gears:
1st Gear:2400 rpm,
2nd Gear:2800 rpm,
3rd Gears:3200 rpm.
Mute and low noise:
10MM Amplitude