Parameters:\n--Bluetooth Connection Distance: 10 meters or less \n--Bluetooth Version: 5.0 \n--Speaker Output Power: 50W*2 \n--AUX Audio Input: 3.5mm stereo audio input jack \n--Power Supply: DC9V-24V \n--Dimensions: (L)78 * (W)70 * (H)38mm \n--Net Weight: 154g \n--Package Weight: 0.36Kg\nPackage Includes:\n--1 * Digital Amplifier \n--1 * AUX Input Line \n--1 * Recording Line \n--1 * USB Line \n--1 * Power Supply \n--1 * English Manual \nNewest upgrade in 2025 with 19V power supply. Based on our previous product, we enhance its output power and improve its functionality, while still keep its mini size and elegant design.\nDespite its mini size(can be hold with one hand), the output power is improved to 100W(50W*2) with the upgraded chip. Its power output far exceeds its size.\nSupporting AUX, USB, Bluetooth inputs. You can enjoy your music in different ways. The Bluetooth function is also upgraded to 5.0. Now it is more stable and faster.\nWe need to mention that with the USB input, .