Make your music loud and clear with Bluetooth speakers that come with a microphone jack. You can also increase your enjoyment of music with Bluetooth via smartphones and computers, as well as play MP3 files via USB. The beautiful square design meets the standards of SHERMAN, which stands out with its unique, cutting-edge design and effectively amplifies the sound. You can adjust the Volume, Trebl, and Bass as desired.

Power/Voltage	Power 30W
type	Bluetooth speaker
Model	SB-22B2B+
Product Size	26.5 x 16.0 x 15.0 centimeters
weight	4 kilograms
other	2 3.5-inch speakers, 30 watts (maximum 60W) Supports MP3 playback via wireless Bluetooth ""ShermanSB22B2B"", transmits signals up to 510 meters Supports MP3 music files via USB with control buttons Supports stereo input signals, Line In 3.5mm Supports digital input signals, Optical, supports Smart TV To change the operating mode, press and hold the PLAY button for about 5 seconds, allowing the user Observe the blue LED light, it will turn off, and if you want to return to Bluetooth mode, press and hold the original button for 23 seconds, the blue LED will blink Manual volume control, adjusts the volume (Volume), treble (Treble) and bass (Bass) Supports 1 set of microphone jacks (back of the device) with M.Vol and Echo volume adjustment buttons 12V 4000 mAh battery, can be used continuously for 34 hours, depending on the usage pattern Charge with AC 220V 50Hz power cord, charging time 23 hours Charging: Charging the battery via AC power cord (included in the set) The user should observe the LED lights on the control panel Red light indicates “charging”, but if the light changes to blue, it means “battery full” In-box equipment Bluetooth speaker model SB22B2B+ AC POWER User manual
Instructions for use	Used to connect various devices for entertainment You should study the manual before use for safety and to extend the service life Wipe clean with a microfiber cloth or dust with a feather duster
Cautions	Do not use alcohol, water, gasoline, or thinner to clean the device. Do not place the speaker set near water sources or in very humid areas. Do not install near heat or flammable objects. Continuous use for a long time risks deterioration of the speaker. Do not modify, edit the product, or use it incorrectly.