BLUE STAR TWS Transparency Fi22 wireless headphones are a modern solution for music lovers who value comfort and sound quality. They use Bluetooth 5.3 technology, ensuring a stable connection and smooth audio streaming with compatible devices within a range of up to 10 meters. The digital display indicates the charge level of the headphones and the case itself.

These ergonomically designed headphones support the A2DP, AVRCP, HSP, HFP standards, which allows not only listening to music, but also conducting comfortable phone calls. With a full frequency range from 20 Hz to 20 kHz, users can enjoy rich and clear sound at all tone levels.

The headphones have built-in 40 mAh batteries, which provide up to 5 hours of continuous listening to music, and their case with an additional 250 mAh battery allows for convenient charging on the go. The charging time of the headphones is about 1.5-2 hours, which is extremely effective and allows you to quickly return to your favorite sounds. A USB-C charging port is now standard, so the headphones can be charged using most modern cables and chargers. The digital display shows the charge level of the headphones and the case itself.

Specification:
Bluetooth version: 5.3 (range up to 10 m)
Support: A2DP, AVRCP, HSP, HFP
Frequency response: 20-20,000 Hz
Battery capacity: 40 mAh (headphones), 250 mAh (case)
Display: yes
Operating time: up to 5 h
Charging time: about 1.5-2 h
Charging port: USB-C