Product Description Information regarding the return of batteries and electrical equipment:You can find information on the return and disposal of used batteries, accumulators, and electrical equipment here. Technical Information:Dimensions (LxWxH):6.15 x 0.95 x 3.05 cmWater Permeability:IPX7 (waterproof up to 1.52 m)Strap Length:66.7 - 127 cm (adjustable)Features:Up to 100 h battery lifeDual-Band Technology (Bluetooth® 4.0 and ANT+)Visible connection (LED lights)Compatible with third-party appsIntegration of the Apple watchMemory for 50 h of trainingCan connect with up to 3 devices at the same time (Multiple Bluetooth Connection)Battery life up to 12 monthsSweat resistant (belt hand washable)Real-time heart rate and calorie counterInternal storageIndoor cycling cadenceRepetition counterVibration warningsQuick double-click controlRunning Smoothness™Treadmill modeCadence measurementFurther running analysesManufacturer Number:WFBTHR05W Contents:1 x Wahoo TICKR Heart Rate Monitor1 x Wahoo Chest Strap Weight: black-white: 11 g Manufacturer: Wahoo Fitness 90 W Wieuca Rd NE Suite 110 Atlanta GA 30342 USA support@wahoofitness.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de