Defender Twins 903 (63903)
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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.
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
Series Defender Twins (TWS)Compare using chart →
in-ear, wireless, true wireless, Bluetooth v 5.0, 20 – 20000 Hz, 32 Ohm, battery: up to 4 h
We recommendCompare using chart →
in-ear, wireless, true wireless, Bluetooth v 5.3, voice assistant, 20 – 20000 Hz, 32 Ohm, battery: 45 mAh, up to 7 h, with case + 24 h
in-ear, wireless, true wireless, Bluetooth v 5.0, 20 – 20000 Hz, 32 Ohm, battery: 40 mAh, up to 4 h
in-ear, wireless, true wireless, Bluetooth v 5.1, voice assistant, 20 – 20000 Hz, 32 Ohm, battery: 38 mAh, up to 6 h, with case + 32.5 hours of calls
in-ear, wireless, true wireless, Bluetooth v 5.3, active noise cancellation, voice assistant, waterproof, 20 – 10000 Hz, 32 Ohm, battery: 35 mAh, up to 6 h, with case + 18 h
in-ear, wireless, true wireless, Bluetooth v 5.3, active noise cancellation, voice assistant, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 45 mAh, up to 6 h, with case + 21 h
in-ear, wireless, true wireless, Bluetooth v 5.3, voice assistant, waterproof, 20 – 20000 Hz, 32 Ohm, battery: 30 mAh, up to 4 h, with case + 28 h
in-ear, wireless, true wireless, Bluetooth v 5.0, AAC, active noise cancellation, voice assistant, 20 – 20000 Hz, 32 Ohm, battery: 45 mAh
in-ear, wireless, true wireless, Bluetooth v 5.3, AAC, active noise cancellation, waterproof, 20 – 20000 Hz, 32 Ohm, battery: up to 5 h, with case + 22 h
in-ear, wireless, true wireless, Bluetooth v 5.2, AAC, aptX, 20 – 20000 Hz, 32 Ohm, battery: up to 12 h
in-ear, wireless, true wireless, Bluetooth v 5.3, AAC, active noise cancellation, 20 – 20000 Hz, 32 Ohm, battery: 32 mAh, up to 6 h, with case + 24 h
in-ear, wireless, true wireless, Bluetooth v 5.0, 20 – 20000 Hz, 32 Ohm, battery: up to 5 h
in-ear, wireless, true wireless, Bluetooth v 5.0, 20 – 20000 Hz, 32 Ohm, battery: 50 mAh