Defender FreeMotion B552
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Defender FreeMotion B552
Type:on-ear
Connection:3.5 mm, Bluetooth v5.0
Frequencies:20 – 20000 Hz
Sensitivity:115 dB
Battery:200 mAh, up to 5 h
All specifications
Specifications FreeMotion B552
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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
Series Defender FreeMotion (wireless)Compare using chart →
gaming, built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.3, foldable, 20 – 20000 Hz, 32 Ohm, battery: 800 mAh, up to 32 h, with case + 70 hours without backlight
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built-in player, overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.0, foldable, 20 – 20000 Hz, battery: 200 mAh, up to 5 h
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overhead, closed, combined, detachable cable, 3.5 mm, Bluetooth v5.0, foldable, 20 – 20000 Hz, 32 Ohm, battery: 200 mAh, up to 20 h
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