Suunto Spark are open-ear earbuds designed for training and everyday activity, delivering immersive audio without compromising awareness. Using air-conduction technology, Spark allows you to enjoy music, calls, and podcasts while staying alert to traffic, people, and your surroundings — helping you move safely and confidently.
Lightweight and secure, each earbud weighs just 9 grams and features a flexible memory-titanium loop with soft silicone for a comfortable, pressure-free fit that stays in place during runs, workouts, and daily wear. Built for performance, Spark is IP55-rated for dust and sweat resistance and offers up to 8 hours of battery life, extended to 40 hours with the charging case.
More than just headphones, Spark also acts as a training companion. Integrated insights help monitor cadence, running mechanics, and neck posture, while voice guidance delivers real-time updates when paired with a Suunto watch — keeping your training focused and hands-free.
From busy commutes to long runs and outdoor adventures, Suunto Spark delivers a smarter, safer, and more connected listening experience.
| Measurements | 42.1 x 58.6 mm / 2.68 x2.3 ” (per earbud) 68 x 67.7 x 25.8 mm / 2.68 x 2.67 x 1.02 ” (charging case) |
|---|---|
| Weight | 9.7g±0.2g (per earbud) 57.5g±1g (charging case) 76.8 g / 2.7 oz (whole unit) |
| Case material | Silicone + Titanium Alloy |
| What’s in the box? | Suunto Spark Earbuds, Suunto Spark Charging Case, USB-C charging cable, Quick Start Guide. |
| Country of manufacture | CN |
| GENERAL | |
|---|---|
| Case material | Silicone + Titanium Alloy |
| Weight | 9.7g±0.2g (per earbud) |
| Water resistance | IP55 |
| Battery type | Rechargeable lithium-ion |
| Battery Charge Time | Headphones: ≤60m; Charging case: ≤100m |
| Firmware upgradable | Yes |
| Music only play time | 7-30h |
| PHYSICAL SPECIFICATIONS | |
| Operating temperature | -20° C to +60° C / -5° F to +140° F |
| Storage temperature | -20° C to +60° C / -5° F to +140° F |
| Recommended charging temperature | 0° C to +45° C / +32° F to +113° F |
| CONNECTIVITY | |
| Compatible with Suunto app | Yes |
| Software updates from cloud | Yes |
| Bluetooth | 5.4 |
| Bluetooth Range | >10m |
| Supported Audio codec | SBC, AAC, LHDC |
| Dual device connection | Yes |
| Smartphone compatibility | Most common models supported |
| SPEAKER | |
| Impedance | 32Ω±15% |
| Frequency range | 20 Hz – 20 kHz (44.1kHz sampling); LHDC supports up to 96 kHz sampling (Hi-Res Audio Wireless) |
| Balance | ≤3 dB @1kHz |
| Sensitivity | 137.5±3dB (at 1kHz 0.8Vrms input, 0dBspl=20u Pa) |
| T.H.D | <2% @1kHz |
| MICROPHONE | |
| Sensitivity | -38dB (1kHz) |
| Frequency range | 100Hz~10KHz |
| S/N Ratio | 65dB |
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