Defender FreeMotion B1020
 | Expecting restock Design: overhead, closed; full size Over-Ear; foldable; Connection type: combined; mini-Jack (3.5 mm); Bluetooth version: Bluetooth v5.4; Cable supply: single-sided; Range (m): 10; Detachable cable; Impedance (Ohm): 32; Frequency range (Hz): 20 – 20000; Sensitivity (dB): 112; Speaker size (mm): 40 |
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Defender FreeMotion B1020
Type:full size (over-ear)
Connection:3.5 mm, Bluetooth v5.4
Frequencies:20 – 20000 Hz
Sensitivity:112 dB
Battery:400 mAh, up to 60 h
Active noise cancellation and good battery life.
All specifications
Specifications FreeMotion B1020
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E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 24.07.2026
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.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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
Series Defender FreeMotion (wireless)Compare using chart →
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