Defender Twins 638 (63638)
 | When you make a purchase through links on our site, we may receive a affiliate commission. Buy! DEFENDER WIRELESS HEADPHONES WITH MICROPHONE "TWS" TWINS 638 BLACK 63638BuyToGive.co.ukDelivery: in United Kingdom Report |
Defender Twins 638
Type:in-ear
Connection:Bluetooth v5.0
Frequencies:20 – 20000 Hz
Sensitivity:98 dB
All specifications
Specifications Twins 638
|
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 Twins (TWS)Compare using chart →
in-ear, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, 32 Ohm, battery: up to 4 h
We recommendCompare using chart →
in-ear, wireless, true wireless, Bluetooth v5.0, 20 – 20000 Hz, 32 Ohm, battery: up to 4 h
in-ear, wireless, true wireless, Bluetooth v5.3, voice assistant, waterproof, 20 – 20000 Hz, battery: 34 mAh, up to 5 h, with case + 30 h
in-ear, wireless, true wireless, Bluetooth v5.3, AAC, game mode, voice assistant, waterproof, battery: up to 7 h, with case + 44 h
in-ear, wireless, true wireless, Bluetooth v5.3, voice assistant, waterproof, 16 Ohm, battery: 40 mAh, with case + 30 h
in-ear, wireless, true wireless, Bluetooth v5.3, voice assistant, 20 – 20000 Hz, 32 Ohm, battery: 38 mAh, up to 4 h, with case + 16 h
in-ear, wireless, true wireless, Bluetooth v5.0, battery: 40 mAh, up to 6 h, with case + 36 h
in-ear, wireless, true wireless, Bluetooth v5.0, voice assistant, 20 – 20000 Hz, battery: 40 mAh, up to 4 h, with case + 12 h
in-ear, wireless, true wireless, Bluetooth v5.4, voice assistant, waterproof, battery: up to 7 h, with case + 30 h
in-ear, wireless, true wireless, Bluetooth, voice assistant, waterproof, 20 – 20000 Hz, battery: up to 4.5 h, with case + 18 h
in-ear, wireless, true wireless, Bluetooth, voice assistant, waterproof, 20 – 20000 Hz, battery: up to 4.5 h, with case + 18 h