1. The speaker part adopts the bullet head phase cone design to improve the directivity of the middle and high pitches at the bottom of the cone. At the same time, it is equipped with a diamond cone frame and a long-stroke large magnetic circuit, thereby improving the overall sound quality performance.

2. Widely compatible with mainstream devices on the market, tablet PCs/desktop computers/smart phones.

3. Independent line control design, you can adjust the volume directly, the operation is convenient and easy to use.

4. Using a professional wire control decoder chip, equipped with a stereo audio decoder, dynamic management and control of audio.

Brand: Lenovo

Model: M550

Channel: 2.0 sound system (independent line control)

Output power: 4Ω 3W*2

Power requirements: USB DC 5V (2A is better)

Speaker size: 52mm full-range speaker*2

Volume control: independent volume control signal

Noise ratio: >6dB

Frequency response range: 80Hz-20KHZ

Sensitivity: 550mV

Diaphragm size: 50mm side double diaphragm

Speaker size: 63*82*110mm

Cable length: 1.2m, exposure: 1.05m