Microlab HB21 Wireless Bluetooth Headphone
The Microlab HB21 Wireless Bluetooth Headphone is a versatile audio option for listening to music, watching videos and making hands-free calls. With Bluetooth connectivity and additional playback options, it offers flexibility for everyday use at home, at work or while travelling.
Key Features
- Bluetooth 5.3: Connect wirelessly to compatible smartphones, tablets and computers.
- 40 mm speaker drivers: Designed for everyday music and audio playback.
- Built-in microphone: Supports hands-free calling over Bluetooth.
- 8–10 hours of listening time: Approximate playback time according to listed specifications.
- Multiple playback options: Supports Bluetooth, FM radio, TF-card playback and 3.5 mm AUX input.
- Foldable and swivel design: Convenient for storage and transport.
- Voice prompts: Provides audio status notifications.
- Quick charging: Approximately 1.5 hours of charging time.
- Comfortable over-ear design: Suitable for music, videos and daily entertainment.
Technical Specifications
- Brand: Microlab
- Model: HB21
- Type: Over-ear wireless headphone
- Connectivity: Bluetooth 5.3
- Bluetooth range: Up to 10 metres
- Driver diameter: 40 mm
- Impedance: 32 Ω
- Speaker sensitivity: 108 dB ± 3 dB
- Frequency response: 20 Hz–20 kHz
- Battery capacity: 250 mAh
- Listening time: Approximately 8–10 hours
- Talk time: Approximately 3.5 hours
- Standby time: Up to 4 months, as listed by retailers
- Charging time: Approximately 1.5 hours
- Charging interface: Micro USB
- Additional connectivity: 3.5 mm AUX, FM radio and TF-card slot
- Colour options: Black, white and white-pink, depending on stock
- Warranty: Confirm with Laptop Zone before ordering
Package Contents
- Microlab HB21 headphone
- Charging cable
- User manual
Buy Microlab HB21 from Laptop Zone
Looking for the Microlab HB21 Bluetooth Headphone in Bangladesh? Contact Laptop Zone to confirm the current price, available colours, stock and warranty information before placing your order.
Specifications are based on available Bangladesh retailer listings. Please verify the charging port, colours and warranty with your supplier before publication.

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