The Suunto Spark Open-Ear headphones utilize bone conduction technology for audio playback while maintaining awareness of the surroundings, making them suitable for outdoor activities and sports. These headphones offer intelligent motion tracking with performance feedback through audio cues, allowing users to monitor their activity without checking devices. With an IP55 rating for sweat and splash resistance, they are designed for demanding training conditions. The built-in microphone enables hands-free calling with voice control functionality. The headphones provide up to 36 hours of total battery life when used with the included charging case, which allows for multiple recharges. Their lightweight design ensures comfortable wear during extended use, while the open-ear configuration prevents ear fatigue and maintains environmental awareness. These headphones are compatible with various audio devices via Bluetooth connectivity. The product represents a successor model in Suunto's audio technology range, focusing on practical features for integration into active lifestyles rather than promotional claims.