Defender Twins 639 (63639)
![]() | Outdated Product £39.44 Design: overhead, open; Connection type: wireless; Bluetooth version: Bluetooth v 5.0; Range (m): 10; Frequency range (Hz): 20 – 20000; Sensitivity (dB): 100; Speaker size (mm): 6; Operating time (music) (h): 4; Charging port: microUSB; |
Defender Twins 639 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|
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 2025 - 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 2025 - new arrivals, bestsellers, and the most relevant models Defender.

What characteristics should good headphones have?Guide to key features of headphones

How to choose a gaming headphoneWe understand the differences between regular and gaming headphones, tell you how to approach the choice of a headset wisely
We recommendCompare using chart →