1、Double sound unit, double bass storm hole to form a stereo field, experience stereo surround sound. 2、Display companion, simple desktop, office / home / dormitory options, can be used with 17-29 inch display. 3、Bass technology makes the low-frequency loudness enhanced, the bass is thick, and the music details are delicately presented. 4、3.5mm universal audio jack, can be used for computer audio, and compatible with 99% of smart devices on the market. 5、Wireless connection mobile phone playback, it is a computer audio and Bluetooth audio. Features: 1. Double sound unit, double bass storm hole to form a stereo field, experience stereo surround sound. 3. Bass technology makes the low-frequency loudness enhanced, the bass is thick, and the music details are delicately presented. 4. 3.5mm universal audio jack, can be used for computer audio, and compatible with 99% of smart devices on the market. 5. Wireless connection mobile phone playback, it is a computer audio and Bluetooth audio. Specification: Condition: 100% Brand New Item Type: Speaker Material: ABS Color: Black Power: 3W Frequency: 25Hz-20KHz Power Supply: USB Channel: 2.0 Resolution: ≥40dB Signal to Noise Ratio: ≥80dB Product Size: Approx. 43*7.2*6.8cm / 16.9*2.8*2.7inch Instructions: 1. After the power is turned on, the speaker will sound a tone. Press the "MODE" button to switch to the Bluetooth mode. Turn on for Bluetooth device such as the phone/computer to connect to the speaker Bluetooth at any time. 2. Open the for Bluetooth settings of the mobile phone to enter the search. After the display shows "SPEAKER01", the connection pairing is performed. The initial pairing password is "0000". 3. After the connection is successful, the speaker will emit a "Dingdong" tone. Package list: 1 x Speaker Notes: 1. The actual product color may deviate from the photo due to light. 2. There may be a slight deviation in the measurement of product.