Defender FreeMotion B571 LED
 | When you make a purchase through links on our site, we may receive a affiliate commission. Buy! Defender Wireless Headphones Freemotion B571 LED 63571BuyToGive.co.ukDelivery: in United Kingdom Report |
Defender FreeMotion B571 LED
Type:full size (over-ear)
Connection:3.5 mm, Bluetooth v5.0
Frequencies:20 – 20000 Hz
Sensitivity:115 dB
Battery:400 mAh, up to 9 h
Combined connection, card reader, backlight.
All specifications
Specifications FreeMotion B571 LED
|
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Defender 2026 - new arrivals, bestsellers, and the most relevant models Defender.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Defender 2026 - new arrivals, bestsellers, and the most relevant models Defender.
Everything You Need to Know About Headphones: A Complete Technical GuideThe choice begins with understanding the design and features.
What characteristics should good headphones have?Guide to key features of headphones
We recommendCompare using chart →
built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, waterproof, 20 – 20000 Hz, 32 Ohm, battery: up to 32 h
built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, 20 – 20000 Hz, 32 Ohm, battery: 800 mAh, up to 90 h
built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v4.2, 20 – 20000 Hz, battery: up to 8 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, AAC, active noise cancellation, voice assistant, foldable, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 500 mAh
overhead, closed, combined, detachable cable, 3.5 mm, 1.5 m, Bluetooth v5.0, active noise cancellation, foldable, 20 – 20000 Hz, 32 Ohm
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.0, voice assistant, foldable, 20 – 20000 Hz, 32 Ohm, battery: 250 mAh, up to 30 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.4, foldable, 20 – 20000 Hz, 32 Ohm, battery: up to 46 h
overhead, closed, combined, detachable cable, 2x3.5 mm, 1.2 m, Bluetooth v5.1, game mode, foldable, 20 – 20000 Hz, 32 Ohm, battery: 250 mAh, up to 11 h
overhead, closed, combined, detachable cable, USB-C, Bluetooth v5.4, AAC, LDAC, active noise cancellation, game mode, foldable, battery: 600 mAh, up to 45 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v4.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: 250 mAh, up to 10 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.4, AAC, active noise cancellation, voice assistant, foldable, 20 – 20000 Hz, 32 Ohm, 10 mW, battery: 800 mAh, up to 70 h
overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, foldable, 20 – 20000 Hz, battery: 300 mAh, up to 32 h