Polar H10 Heart Rate Sensor, Black, M XXL (Case of 45) Brand_Active Ice 8% Naturally fermented ingredients Brand_Eneloop 8% Naturally fermented ingredients Non refillable and tamper proof packaging exceeds FDA criteria for quality and bio security – CA Prop 65 compliant – Paraben and Propylene Glycol Free – Acoustic velocity remains constant when heated – Kosher and Halal certified – Made in the USA Disposable Or Reusable reusable Grade sklar or grade Is Sterile non sterile Is Taa Compliant taa compliant Latex Free not made with natural rubber latex Surname yankauer Uom ea Uom Description 1 each It supports simultaneous Bluetooth and ANT+ connections the Polar H10 is fully waterproof and includes internal memory capable of storing multiple hours of workout data