WAHOO TICKRFIT HEART RATE MONITOR ARMBAND WFBTHR03

Rechargeable Battery: 30+ hours Strap Length: Small 10" x 1" (260mm x 25.4mm) and Large 15" x 1" (375mm x 25.4mm) Water Resistant: IPX7 (waterproof up to 5 feet) Sweat proof: Yes (hand washable strap) On/Off Button Not compatible with chest straps DUAL BAND TECHNOLOGY REAL TIME HEART RATE AND CALORIE TRACKING ADVANCED PERFORMANCE MATERIAL USB RECHARGEABLE BATTERY LED INDICATOR LIGHTS TWO ADJUSTABLE BANDS INCLUDED THIRD PARTY APP COMPATIBILITY APPLE WATCH AND APPLE TV INTEGRATION