| FEATURES AND SOFTWARE |
| Active Noise Cancellation (ANC) |
Yes, hybrid ANC up to 40 dB with Personalised and Adaptive modes |
Yes, adaptive ANC (up to 99.8% suppression of everyday noise) |
| Adaptive ANC |
Yes, adjusts to ambient noise and wind |
— |
| App Support |
Yes, Nothing X app |
HeyMelody app |
| Customizable EQ |
Yes, custom EQ and Personal Sound Profile |
Yes, 5 Dynaudio sound styles in HeyMelody app |
| Find My Earbuds |
Yes |
— |
| Low-Latency / Gaming Mode |
Yes, low lag mode |
— |
| Other Features |
— |
AI translation (20+ languages), spatial audio |
| Sound Modes |
ANC High, Mid, Low, Adaptive; Transparency; Off |
Original Sound, High-Resolution, Pure Vocals, Clear Treble, Surging Bass |
| Touch Controls |
— |
Pressure and slide controls, head-motion gestures |
| Transparency / Ambient Mode |
Yes |
Yes |
| Voice Assistant Support |
Yes |
Xiao Bu voice assistant |
| Wear Detection |
Yes, auto pause/play |
— |
| BUILD AND DESIGN |
| Colors Available |
White, Black |
Soft White, Pink Gold, Titanium Gray |
| Control Method |
Pinch/touch stem controls with customizable gestures |
— |
| Design Language |
Transparent housing and stem, refined internals layout |
— |
| Dimensions |
Earbud 29.4 x 21.5 x 23.5 mm; case 55.5 x 55.5 x 22 mm |
Earbud: 32.11 x 18.19 x 21.03 mm; Case: 63.40 x 49.50 x 25.55 mm |
| Form Factor |
— |
In-ear true wireless earbuds |
| Ingress Protection |
IP54 earbuds; IP55 case |
IP55 |
| Weight |
4.5 g per earbud; 51.9 g case |
5.6 g (each earbud), 41.8 g (case), 53 g (total) |
| BATTERY CAPACITY AND CHARGING |
| Charging Port |
USB-C |
USB-C wired and wireless charging; approx. 55 min (earbuds), 65 min (case wired), 2.5 hours (case wireless) |
| Device Battery Capacity |
33 mAh per earbud; 485 mAh case |
65 mAh (each earbud), 576 mAh (case) |
| Fast Charging |
10 minutes charge for approx. 1 hour playback |
Yes, 10 min for up to 4.5 hours |
| Total Playtime |
Up to 6.3 hours (ANC off), 4 hours (ANC on); 36 hours with case (ANC off), 22.5 hours (ANC on) |
Earbuds: Up to 13 hours (ANC off, AAC), 10 hours (LHDC), 6 hours (ANC on, AAC); With case: Up to 53 hours (ANC off, AAC), 42 hours (LHDC), 22 hours (ANC on, LHDC) |
| Wireless Charging |
Yes, Qi-compatible |
Yes |
| BOX CONTENTS |
| Ear Tips (if earbuds) |
Silicone tips in 3 sizes (S/M/L) |
XS, S, M, L foamed silicone tips |
| Extras (cases, clips, mounts, etc.) |
Wireless charging case |
— |
| Included Items |
Earbuds, charging case, USB-C to USB-C cable, 3 pairs of silicone ear tips (S/M/L), quick start guide |
— |
| Main Device |
— |
Enco X4 earbuds |
| User Manual |
— |
Yes |
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