High-quality retro style USB/battery dual-purpose speaker/speaker

https://sussliving.banner.tw/other/myamp1.jpg https://sussliving.banner.tw/other/myamp2.jpg https://sussliving.banner.tw/other/myamp3.jpg /product content/ ★Retro style speaker/speaker, replica amplifier, rare and unique ★Choose one of USB or battery power supply, power consumption is only 5 watts, easy to carry ★The standard 3.5mm jack can be connected to peripheral devices such as computers, MP3s, and mobile phones, and the music can be listened to ★Hand-tuned high and low bass effects, create the best music effect through the knob ★Frequency range from 200Hz to 20KHz, no popping sound even when it is turned on to the loudest /Product equipment/ Speaker body x 1 3.5mm audio output/input line x 1 USB data cable x 1 /Dimensions/ Product size: 10 x 12.5 x 9cm Material: ABS+metal Power supply: USB output or 3 AA batteries (this product does not contain batteries, need to be purchased separately) Maximum output power: 5W Impedance: 4Ω Frequency band: 200-15,000Hz Sound pressure sensitivity: 115dB±15dB BSMI:R3D774 **This product is USB powered, non-charging style~Thank you** **Because the power bank has an automatic power-off design, this product cannot be powered by a power bank** /Origin/ Made in China https://sussliving.banner.tw/detail.jpg