Sometimes you want extra energy from music during your exercise - and the Wing is the perfect choice for that situation. With a battery life of up to 10 hours and red lights for safety, the Wing headphones are purpose-made for outdoor sports. By pairing the headphones with the Suunto App, you'll be able to use head gesture commands: two nods accepts a phone call, two tilts left rewinds to the previous song and two to the right fast skips to the next one. The open-ear bone conduction structure enables you to hear sounds from your environment - a crucial safety factor. - Light total weight, ergonomic fit - Music and phone control - Red led lights on both sides can be used in different modes and switched on and off - Waterproof and dustproof (IP67 protected) - Recommended operating temperature: -20° C to +60° C = -5° F to +140° F - Recommended charging temperature: 0° C to +45° C = +32° F to +110° F - The included power bank extends runtime by 20 hours, and even just 15 minutes of quic