Feature: 1. Bluetooth 5.0, faster to connect to the computer, lower power consumption. 2. USB power supply, 3.5mm audio connector, can be used for computer USB connector or mobile phone charger. 3. The flat and long body, with a slight angle design, optimizes the acoustic effect of the sound. 4. Double speaker design, cinema‑grade sound effect, the sound effect is more three‑dimensional and real. 5. Please note that this machine has no internal battery, it can only be used after plugging in. Specification: Material: Plastic Product Size: Approx. 320x65x60mm / 12.6x2.6x2.4in Output Power (Out Put): 3W Separation: ≥35dB Frequency Response (Frequency): 30Hz~15KHz Signal to Noise Ratio (SNR): ≥65dB Power Supply Voltage and Current (Power): USB/DC 5V, 600mA Channel: 2.0 Bluetooth Version: 5.0 Effective Distance: ≤10 meters How to Use: 1. Power Supply (the machine has no internal battery, it can only be used after plugging in) Insert the USB plug of this machine into the USB jack of the computer or the USB jack of the mobile phone charger (DC5V 600mA or more) (the sound quality is better if 1000mA or more). 2. Boot After power on, press the knob to turn it on. After turning on the speaker, the speaker will emit a "sound source input mode" prompt, and the light on the speaker will light up. 3. Bluetooth Connection Method 1). After turning on the speaker, the speaker emits a "sound source input mode" prompt sound, press the knob to switch to Bluetooth mode, turn on Bluetooth devices such as mobile phones/tablets, and connect with the speakers at any time. The device connection operation method: open the device Bluetooth settings (device brand Different, the way to turn on the Bluetooth is different) Enter the search, see "SPEAKER" and connect and pair. The initial pairing password is "0000". After the connection is successful, the speaker will emit a "Bluetooth connection successful" prompt. 2). Because the Bluetooth version used by different device brands is different, the search time for pairing will be different. Normally, it takes about a minute. After the connection is successful, you can select the song to play in the mobile phone.. Package List: 1 x Computer Audio1 x Chinese Manual Note: