Microlab HB21 Best Bluetooth Headphone - Listening time: about 8-10 hours

Microlab HB21 Best Bluetooth Headphone is a versatile wireless headphone designed for everyday entertainment, music, calls, and convenient listening. Equipped with a 40mm driver, it delivers an enjoyable audio experience suitable for music, videos, and casual use. The built-in microphone allows you to make wireless calls without needing to hold your phone, making the HB21 practical for daily communication. Its 250mAh rechargeable battery provides approximately 8-10 hours of backup, helping you enjoy extended listening between charges. The headphone also offers multiple playback and connection options, including Bluetooth wireless connectivity, Micro USB, 3.5mm Aux, FM radio, and TF card support. This flexibility makes it suitable for users who prefer both wireless and wired listening. Whether you are using it at home, in the office, while studying, traveling, or simply relaxing with your favorite content, the Microlab HB21 offers convenience in one compact headphone. Choose the HB21 for its versatile connectivity, built-in microphone, large 40mm driver, and dependable battery performance. Compatibility Brand: Microlab

 

Why Choose Microlab HB21?

• 40mm driver for enjoyable everyday audio
• Bluetooth wireless connectivity
• Built-in microphone for wireless calls
• 250mAh rechargeable battery
• Approximately 8-10 hours of battery backup
• 3.5mm Aux support for wired listening
• FM radio functionality
• TF card support for convenient music playback
• Micro USB interface
• Versatile headphone for everyday use

 

Features

• Brand: Microlab
• Model: HB21
• Type: Bluetooth Headphone
• Driver Diameter: 40mm
• Microphone: Built-in
• Battery Capacity: 250mAh
• Battery Backup: 8-10 Hours
• Connectivity: Bluetooth
• Interface: Micro USB
• Wired Connection: 3.5mm Aux
• Additional Functions: FM Radio, TF Card

 

Perfect For

• Music listening
• Watching movies and videos
• Hands-free wireless calls
• Online classes and study
• Office and work use
• Travel and commuting
• FM radio listening
• Users who need both Bluetooth and wired connectivity

 

Technical Specification
Frequency Range	Frequency Response: 20-20KHz Frequency Range: 87.5- 108MHz
Impedance	32 ohm
Sensitivity	108db+/-3db
Input Jack	3.5mm AUX
Driver Diameter	40mm
Connectivity	Bluetooth 5.3
Battery Capacity	Battery capacity: 250mAh Charging time: 1.5 hours
Battery Life	Talk Time: About 3.5 Hours Listening Time: About 8-10 Hours
Others	Interface Type: Micro USB, 3.5mm Aux, FM radio, TF card Foldable and swivel design for easy use Voice prompts for quick status updates