Usage Tips:Feature:1. Applicable Models: Internal speaker is suitable for replacement for 5750G 5750Z 5755G 5350 V3 571 V3 571G V3 551G E1 571 E1 521.2. Plug and Play: Internal speaker replacement with connector, plug and play, simple installation, won't take you much time.3. Replacement: Replace the broken, damaged, cracked and unusable speakers with 2 pieces, you can use it without worry.4. Lightweight and Portable: The internal speakers are compact, do not take up too much space for use, will not increase the burden on the computer.5. ABS Material: The internal speaker is made of ABS material, which is strong and reliable, not easy to damage, and can be used for a long time.Specification:Item Type: Laptop Internal SpeakerMaterial: ABSSuitable for: Replacement for 5750G 5750Z 5755G 5350 V3 571 V3 571G V3 551G E1 571 E1 521 Speaker.Package List:2 xLaptop Internal Speaker