Acoustic Audio Bluetooth 5.1 Speaker System with Sub Light and FM Home Theater 6 Speaker Set Leisure Sports & Game Room Non-operating temperature is minus 20

Non-operating temperature is minus 20 to 75 degrees Celsius

the casing is cast in one time without a gap

Can interval 30 days to dosing

HALF ZIP MOCK NECK - Convenient half zip design allows for easy on and off action

and then adjust the focus adjustment and zoom adjustment until the view become clear

Acoustic Audio Bluetooth 5.1 Speaker System with Sub Light and FM Home Theater 6 Speaker Set Leisure Sports & Game Room Non-operating temperature is minus 20BLUETOOTH 5. 1 HOME THEATER SPEAKER SYSTEM Stream music from your phone to the built in Bluetooth receiver, integrated power amp with 300 watts system power, Pro Surround function converts stereo to 5. 1 sound, LED illuminated sub with multi color and pattern flashing light display EASY PLUG AND PLAY CONNECTIONS Standard RCA inputs connect to most audio sources, 6 independent RCA inputs for true surround, stereo RCA AUX inputs, illuminated display