Device comparison

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Device A

OpenFit 2

Shokz · Sound

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Device B

OPPO · Sound

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Complete comparison

Every available group and stored value, aligned by field.

Differences only

LAUNCH DATE3 fields

Specification	OpenFit 2	Enco X4
Announced	Announcement date not recorded	Announcement date not recorded
Released	Release date not recorded	2026-09-24
Status	Release status not recorded	Available

ADDITIONAL INFORMATION4 fields

Specification	OpenFit 2	Enco X4
Launch Price	—	CNY 1,199 — China
Launch Price (USD)	$179.95 (reference only — see Price in Nigeria above for the actual retail price)	—
Models and regions	—	China (pre-sale price CNY 1,099 from 22 Sep, sales from 24 Sep 2026)
Price in Nigeria	₦252,000 (Stored estimate)	₦250,600 (Stored estimate)

PRODUCT OVERVIEW5 fields

Specification	OpenFit 2	Enco X4
Brand	Shokz	OPPO
Category	True Wireless Earbuds (Open-Ear)	In-ear true wireless earbuds
Launch Date	2024-09-10	September 22, 2026
Model Name	OpenFit 2	Enco X4
Price	$179.95	CNY 1,199 (China launch)

AUDIO SPECIFICATIONS4 fields

Specification	OpenFit 2	Enco X4
Driver Size	17.3 mm low-frequency driver + separate high-frequency driver	11 mm
Driver Type	Dual-driver system with Shokz DualBoost technology	Coaxial dual drivers: 11 mm dynamic bass driver (polymer diaphragm) + 6 mm tweeter, dual DAC crossover; tuned by Dynaudio
Frequency Response	—	10 Hz - 40 kHz
Sound Features	DualBoost bass enhancement, improved sound leakage suppression vs. original OpenFit	24-bit/48 kHz lossless; Chip: 6nm chip

FEATURES AND SOFTWARE9 fields

Specification	OpenFit 2	Enco X4
Active Noise Cancellation (ANC)	Not supported (open-ear design does not use ANC)	Yes, adaptive ANC (up to 99.8% suppression of everyday noise)
App Support	Shokz App (iOS and Android)	HeyMelody app
Customizable EQ	Yes, adjustable EQ presets and manual tuning via app	Yes, 5 Dynaudio sound styles in HeyMelody app
Low-Latency / Gaming Mode	Yes, low-latency mode selectable in app	—
Other Features	—	AI translation (20+ languages), spatial audio
Sound Modes	Movie & Music mode, Podcast mode, customizable presets	Original Sound, High-Resolution, Pure Vocals, Clear Treble, Surging Bass
Touch Controls	Physical multi-function button (replacing tap sensor) for play/pause, calls, volume, track skip	Pressure and slide controls, head-motion gestures
Transparency / Ambient Mode	Always-on ambient awareness inherent to open-ear design	Yes
Voice Assistant Support	Siri, Google Assistant	Xiao Bu voice assistant

CONNECTIVITY AND INTEGRATION6 fields

BUILD AND DESIGN6 fields

Specification	OpenFit 2	Enco X4
Colors Available	Black, Beige, Blue	Soft White, Pink Gold, Titanium Gray
Dimensions	—	Earbud: 32.11 x 18.19 x 21.03 mm; Case: 63.40 x 49.50 x 25.55 mm
Form Factor	Open-ear, ear-hook design with redesigned physical control button; sits above the ear canal, no ear tips inserted	In-ear true wireless earbuds
Ingress Protection	IP55 (dust and water resistant)	IP55
Materials	Silicone-coated ear hooks with titanium alloy core wire	—
Weight	9.4 g per earbud; 53 g case	5.6 g (each earbud), 41.8 g (case), 53 g (total)

BATTERY CAPACITY AND CHARGING5 fields

Specification	OpenFit 2	Enco X4
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	Not publicly specified (earbud cell); case battery not publicly specified	65 mAh (each earbud), 576 mAh (case)
Fast Charging	10 minutes of charging provides approx. 5 hours of playback	Yes, 10 min for up to 4.5 hours
Total Playtime	11 hours per earbud; 48 hours total with charging case	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	Not supported	Yes

MICROPHONES AND VOICE FEATURES4 fields

Specification	OpenFit 2	Enco X4
Hands-Free Calls Support	Yes	Yes
Mic Count	2 microphones per earbud (4 total)	4 (3 mics + 1 VPU bone-conduction mic)
Mic Type / Noise Reduction	Deep-learning-based noise reduction algorithm for calls	Includes VPU bone-conduction mic
Voice Assistant Trigger	Button control activates paired phone's voice assistant	—

BOX CONTENTS6 fields

Specification	OpenFit 2	Enco X4
Charging Cable	USB-C charging cable	—
Ear Tips (if earbuds)	Not applicable (open-ear design)	XS, S, M, L foamed silicone tips
Extras (cases, clips, mounts, etc.)	Charging case	—
Main Device	Shokz OpenFit 2 earbuds (pair)	Enco X4 earbuds
User Manual	Included	Yes
Warranty Card	Included	—

COMPATIBILITY3 fields

Specification	OpenFit 2	Enco X4
Operating Systems	iOS, Android	Android, iOS
Profiles Supported	A2DP, HFP, AVRCP	—
Supported Devices	Smartphones, tablets, laptops with Bluetooth 5.0+	China-market model; no word on global availability

KEY HIGHLIGHT1 field

Specification	OpenFit 2	Enco X4
Highlight	Second-generation OpenFit with DualBoost bass technology, a nearly doubled 48-hour total battery life, and a switch to physical button controls for more reliable input	The OPPO Enco X4 are Dynaudio-tuned flagship earbuds with a coaxial 11 mm dynamic bass driver and 6 mm tweeter driven by dual DACs, powered by a new 6nm chip.