Features:

• Advanced running metrics - Ambient Temperature, Ground Time, L/R Balance, Stride Height, Stride Ratio.
• Improved measurement on treadmills and indoor tracks.
• Improved GPS routes and data consistency in dense cities.
• More accurate effort measurement from Effort Pace.
• More accurate and sensitive instant pace.
• Weighs 19 grams and includes 1x CR2032 battery with a battery life of 1 year (2 hours/day). Water Resistant up to 1 ATM (10m/32ft).
• Connection: BLE to phone/ANT+ to COROS watches.
• 28 hours of continuous running or 50 days in standby mode.
• The portable charging dock supplies up to 5 full charges.
• Wearing location: foot/waist.
• Compatibility: COROS watches/COROS app Only.