Polar H10 Chest Strap Black XS/S

Heart rate sensor is the go-to choice. Monitor your heart rate with maximum precision and connect your heart rate to your training equipment. With Polar H10, heart rate monitoring is more accurate than ever. Compatibility: iOS mobile devices iPhone 4S and later and Android mobile devices with Bluetooth 4.0 capability and Android 4.4 or later. Connector size: 34x65x10 mm, Weight: Connector 21 g (0.74 oz), strap 39 g (1.38 oz), Memory: One training session. Battery type is CR 2025. Battery life: 400 hours with BLE and 5 kHz transmission active. Water resistance: 30 m (Suitable for swimming). Materials: Connector: ABS, ABS + GF, PC, Stainless steel. Strap: 38% Polyamide, 29% Polyurethane, 20% Elastane, 13% Polyester, Silicone prints. Operating temperature: -10 °C to +50 °C / 14 °F to 122 °F. Size: XS-S. Colour: Black