Defender FREEMOTION B571 LED Headset Wired & Wireless Head-band Calls/Music/Sport/Everyday Bluetooth Grey
Defender FREEMOTION B571 LED, Wired & Wireless, Calls/Music/Sport/Everyday, 20 - 20000 Hz, 200 g, Headset, Grey
| Date | Price |
|---|---|
| 8 March 2026 | £29.99 |
| 10 March 2026 | £27.38 |
| 17 March 2026 | £29.99 |
| 17 March 2026 | £27.38 |
| 23 March 2026 | £30.49 |
| 23 March 2026 | £27.38 |
| 29 March 2026 | £30.49 |
| 5 April 2026 | £27.38 |
| 5 April 2026 | £30.49 |
| 11 April 2026 | £27.38 |
| 12 April 2026 | £30.49 |
| 18 April 2026 | £27.38 |
| 19 April 2026 | £30.49 |
| 26 April 2026 | £27.38 |
| 26 April 2026 | £30.49 |
| 3 May 2026 | £27.38 |
| 4 May 2026 | £30.49 |
| 11 May 2026 | £27.38 |
| 11 May 2026 | £30.49 |
| 19 May 2026 | £27.38 |
| 19 May 2026 | £30.49 |
| 27 May 2026 | £27.38 |
| 27 May 2026 | £34.99 |
Compare Defender FREEMOTION B571 LED Headset Wired & Wireless Head-band Calls/Music/Sport/Everyday Bluetooth Grey prices UK
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Product Information
Defender FREEMOTION B571 LED. Product type: Headset. Connectivity technology: Wired & Wireless, Bluetooth. Recommended usage: Calls/Music/Sport/Everyday. Headphone frequency: 20 - 20000 Hz. Wireless range: 10 m. Weight: 200 g. Product colour: Grey
Product
- Name
- Defender FREEMOTION B571 LED Headset Wired & Wireless Head-band Calls/Music/Sport/Everyday Bluetooth Grey
- Category
- Headphones & Headsets
- Brand
- Defender
Headphones
- Ear coupling
- Supraaural
- Intraaural headphones type
- Earbuds
- Headphone frequency
- 20 - 20000 Hz
- Headphone sensitivity
- 115 dB
- Noise canceling
- Yes
- Noise canceling type
- Passive
- Diaphragm diameter
- 4 cm
Microphone
- Microphone type
- Built-in
- Microphone frequency
- 100 - 16000 Hz
- Microphone sensitivity
- -42 dB
Weight & dimensions
- Width
- 175 mm
- Depth
- 75 mm
- Height
- 185 mm
- Weight
- 200 g
Packaging data
- Package width
- 170 mm
- Package depth
- 89 mm
- Package height
- 154 mm
- Package weight
- 310 g
- Package type
- Hanging box
Battery
- Battery operated
- Yes
- Battery type
- Built-in battery
- Battery technology
- Lithium Polymer (LiPo)
- Battery capacity
- 400 mAh
- Continuous audio playback time
- 9 h
- Charging source
- USB
Ports & interfaces
- Connectivity technology
- Wired & Wireless
- 3.5 mm connector
- Yes
- Bluetooth
- Yes
- Bluetooth profiles
- A2DP, AVRCP, HFP, HSP
- Bluetooth version
- 5.0+EDR
- Frequency band
- 2.402 - 2.48 GHz
- Frequency response (music mode)
- 20 - 20000 Hz
- Wireless range
- 10 m
Performance
- Product type
- Headset
- Wearing style
- Head-band
- Recommended usage
- Calls/Music/Sport/Everyday
- Product colour
- Grey
- Headset type
- Binaural
- Operating keys
- Answer/end call, Play/Pause, Track <, Track >, Volume +, Volume -
- Volume control
- Button
- Control unit type
- On-ear control unit
- Control type
- Buttons
- Foldable
- Yes
- Detachable cable
- Yes
- Backlight
- Yes
- Backlight colour
- Multi
- Sound pressure level (max)
- 115 dB
- On/off switch
- Yes
- Music playback
- Yes
- Adjustable headband
- Yes
- Housing material
- Metal, Plastic
- Compatible memory cards
- MicroSD (TransFlash)
Logistics data
- Master (outer) case width
- 550 mm
- Master (outer) case length
- 360 mm
- Master (outer) case height
- 325 mm
- Master (outer) case gross weight
- 8.5 kg
- Products per master (outer) case
- 24 pc(s)
Certificates
- Compliance certificates
- CE, RoHS
Sustainability
- Sustainability compliance
- Yes
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