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LAUNCH DATE2 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Released | — | 2026-09-24 |
| Status | — | Available |
ADDITIONAL INFORMATION4 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Launch Price | — | CNY 1,199 — China |
| Launch Price (USD) | $149.95 (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 | ₦210,000 | ₦250,600 (estimate, converted from China launch price) |
PRODUCT OVERVIEW5 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Brand | Shokz | OPPO |
| Category | True Wireless Earbuds (Open-Ear) | In-ear true wireless earbuds |
| Launch Date | 2024-04-23 | September 22, 2026 |
| Model Name | OpenFit Air | Enco X4 |
| Price | $149.95 | CNY 1,199 (China launch) |
AUDIO SPECIFICATIONS5 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Driver Size | 18 x 11 mm composite dynamic driver | 11 mm |
| Driver Type | Dynamic driver with Shokz DualPitch-derived tuning | Coaxial dual drivers: 11 mm dynamic bass driver (polymer diaphragm) + 6 mm tweeter, dual DAC crossover; tuned by Dynaudio |
| Frequency Response | 50 Hz - 16 kHz | 10 Hz - 40 kHz |
| Sensitivity | 96.2 dB ± 2.5 dB | — |
| Sound Features | Balanced tuning optimized for calls and everyday listening, reduced sound leakage | 24-bit/48 kHz lossless; Chip: 6nm chip |
FEATURES AND SOFTWARE9 fields
| Specification | OpenFit Air | 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 | Preset sound modes; limited manual EQ adjustment via app | Yes, 5 Dynaudio sound styles in HeyMelody app |
| Low-Latency / Gaming Mode | Not supported | — |
| Other Features | — | AI translation (20+ languages), spatial audio |
| Sound Modes | Movie & Music mode, Podcast mode | Original Sound, High-Resolution, Pure Vocals, Clear Treble, Surging Bass |
| Touch Controls | Tap controls on earbud surface 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
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Bluetooth Profiles | A2DP, HFP, AVRCP | — |
| Bluetooth Version | Bluetooth 5.3 | 6.1, up to 10 m |
| Multipoint | Yes, 2 devices | Yes, dual-device |
| Range | Approx. 10 m (33 ft), open-field | 10 m |
| Supported Codecs | SBC, AAC | SBC, AAC, LHDC, LC3 |
| Wired Mode | Not supported | — |
BUILD AND DESIGN6 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Colors Available | Black, Beige | 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, lightweight ear-hook design; sits above the ear canal, no ear tips inserted | In-ear true wireless earbuds |
| Ingress Protection | IP54 (splash and sweat resistant) | IP55 |
| Materials | Silicone-coated ear hooks with flexible titanium alloy core wire | — |
| Weight | 8.7 g per earbud; 56.4 g case | 5.6 g (each earbud), 41.8 g (case), 53 g (total) |
BATTERY CAPACITY AND CHARGING6 fields
| Specification | OpenFit Air | Enco X4 |
|---|---|---|
| Battery Life (Standby) | Up to 30 days | — |
| 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. 2 hours of playback | Yes, 10 min for up to 4.5 hours |
| Total Playtime | Up to 6 hours; 28 hours with 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 Air | 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 | AI-based environmental noise reduction algorithm for calls | Includes VPU bone-conduction mic |
| Voice Assistant Trigger | Tap control activates paired phone's voice assistant | — |
BOX CONTENTS6 fields
| Specification | OpenFit Air | 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 Air earbuds (pair) | Enco X4 earbuds |
| User Manual | Included | Yes |
| Warranty Card | Included | — |
COMPATIBILITY3 fields
| Specification | OpenFit Air | 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 Air | Enco X4 |
|---|---|---|
| Highlight | A lighter, more affordable entry into Shokz's open-ear true wireless lineup, trimming weight and price while keeping the open, all-day-comfort design | 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. |