Description of UiiSii TWS21 SongBirds Airbuds Waterproof True Wireless Stereo Earphone

Just recently, UiiSii, a premium audio company launched the TWS21 wireless earphones. As the best budget true wireless earbuds. UiiSii TWS21 professional Bluetooth 5.0 chipset with high-resolution decoder built-in and advanced audio coding technology to deliver extraordinary Hi-fi sound with low latency.

Product details of UiiSii TWS21 SongBirds Airbuds Waterproof True Wireless Stereo Earphone

Despite being a budget buy, the TWS21 boast a wide range of high-end features that include:

• Charging On The Go
  Independent use one earbud while charge the other one. In this way, it can reach an up to 6 hours no-stop calling time a day.
• Immersive Listening Experience
  Bluetooth®5 + Stereo Audio DAC+Smart Dynamic Gain
• Keep Distance
  Up to 40ft(12M) steady wireless range
• Toothbrush product
  Touching Control. Lots of options for example from answering calls to waking up Siri or Google can be done easily by tapping the earbuds.
• Dancing In The Rain
  plasma sprayed nanostructured ceramic coating-IPX5 Water-resistance
• Ergonomic Fit For Everyone
  We tested thousands of ears! No matter how hard you shake, it just won’t fall out.

Immersive sound

• 3D surround sound
• Build-in DAC for beautiful timbre
• Micro AMP module for HD Audios
• Acoustic Wave Guide Damper

 Touch-Sensitive

• Answer or reject calls
• Hang up
• Select previous or next Track
• Volume up or down
• Wake up smart assistants Siri or Google

Non-Stop Calling- Using While Charging

• Up to 6 hrs for calling under Mono mode
• A must-have for calling while driving