With Bluetooth 5.1 Chip, HIFI Sound EnjoymentBuilt-in powerful speakers, this portable bluetooth projector provides HIFI sound effect while watching movie in a Max 176 inches screen. The extra BLUETOOTH function is also supported to connect with your speaker or headphone wirelessly. Relax yourself in a private space, enlarge your happiness with our Bluetooth projector, just enjoy it! (Note: Bluetooth NOT support to connect with smartphones) 50% Brighter Images than Similar Projectors 2023 Upgraded mini movie projector equipped with 5000:1 contrast ratio, supported 1080p resolution, brings you a 50% brighter images than similar projectors in market. It provides you with a premium home cinema experience with the bigger screen and clearer image. 50% More Clear Images than Similar Projectors 2023 Upgraded Chips make this movie projector more clear than other similar projectors.