UiiSii is a consumer electronics brand specializing in high-quality audio products, including true wireless earbuds, gaming headsets, and hi-res wired headphones.
UiiSii, operated by Dongguan UiiSii Electronics Co., Ltd, is an innovative audio electronics manufacturer dedicated to delivering premium sound experiences. The brand offers a diverse product lineup that includes true wireless stereo (TWS) earbuds, high-resolution wired headphones, sport neckband earphones, and low-latency gaming headsets.
Renowned for being an MFI-certified manufacturer and utilizing sophisticated multiple-driver technology, UiiSii aims to bring music lovers high-fidelity sound at an accessible price point, ensuring audio is heard exactly as it was meant to be, anywhere you go.
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Open the charging case to power them on automatically. Turn on Bluetooth on your device, search for your specific model (e.g., UiiSii G10 or TWS21), and tap to connect.
Ensure both earbuds are charged. Place them back into the charging case to reset them, then take them out together. They should pair with each other automatically before connecting to your device.
For most models, turn off the earbuds and press and hold the multi-function button (MFB) down for 8 seconds to clear the pairing information.
Yes, UiiSii generally provides a one-year warranty for their audio products covering manufacturing defects. Please refer to their official warranty policy for details.