The AirPro 4 Sigma wireless earbuds feature Bluetooth 5.4 connectivity, 13mm dynamic drivers, and ultra-low latency for smooth everyday listening, calls, and gaming. They deliver deep bass, clear mids, and detailed highs, while ENC helps provide clearer voice calls in noisy environments. With up to 5 hours of playback per charge, Type-C fast charging, touch controls, and up to 25 hours of playback advertised, they offer practical convenience for daily use. The IPX4 water and sweat resistance, lightweight ergonomic design, skin-friendly build, and anti-fingerprint surface make them well suited for music, workouts, and outdoor use.
Key Features
- Bluetooth 5.4 – Provides fast pairing, stable wireless connectivity, and an advertised range of up to 10 meters.
- 13mm Dynamic Drivers – Designed to deliver deep bass, clear mids, and detailed highs with a balanced sound profile.
- ENC Call Clarity – Environmental Noise Cancellation helps improve voice clarity during calls, particularly in noisy surroundings.
- Low Latency – Designed for smoother audio synchronization in gaming, videos, and other real-time content.
- Up to 5 Hours Playback – Provides up to 5 hours of continuous playback on a single charge, with additional recharges from the charging case.
- Up to 25 Hours Playback – The AirPro 4 offer 25 hours of playback.
- Type-C Fast Charging – Uses a USB Type-C port for convenient fast charging.
- IPX4 Water & Sweat Resistance – Helps protect against sweat and splashes for workouts and everyday outdoor use.
- Smooth Touch Controls – Touch-based controls provide convenient operation directly from the earbuds.
- Ergonomic & Lightweight Design – Built for a secure, comfortable fit during extended use.
- Skin-Friendly Design – The product imagery specifically promotes a skin-friendly construction.
- Anti-Fingerprint Surface – Advertised with an anti-fingerprint surface for easier upkeep.
- Easy-to-Clean Design – The product imagery highlights easy cleaning as a design benefit.
- Instant Pairing – Designed to make connecting the earbuds quicker and more convenient.
Technical Specs
| Product | SIGMA AirPro 4 Earbuds |
| Product Type | True Wireless Earbuds |
| Bluetooth Version | Bluetooth 5.4 |
| Wireless Range | Up to 10 meters |
| Driver Type | Dynamic Driver |
| Driver Size | 13mm |
| Sound Profile | Balanced sound with deep bass, clear mids, and detailed highs |
| Music Mode | Yes |
| Call Noise Cancellation | ENC (Environmental Noise Cancellation) |
| Latency | Ultra-low latency |
| Playback Time | Up to 5 hours on a single charge |
| Maximum Playback Claim | Up to 25 hours, as advertised in product imagery |
| Charging Port | USB Type-C |
| Charging | Fast charging |
| Charging Case | Compact charging case with multiple earbud recharges |
| Water Resistance | IPX4 |
| Sweat Resistance | Yes |
| Touch Controls | Yes |
| Pairing | Instant pairing |
| Design | Ergonomic and lightweight |
| Fit | Secure and comfortable fit |
| Surface Features | Anti-fingerprint |
| Cleaning | Easy-to-clean design |
| Skin-Friendly | Yes, as advertised by the manufacturer |
| Connectivity | Seamless and reliable wireless connectivity |
| Recommended Uses | Music, calls, gaming, videos, workouts, and everyday listening |
| Outdoor Use | Suitable for sweat, splashes, and light rain |
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