HR Accuracy : ±1BPM Detectable HR Range : 40~220BPM Weight monitor 12g, armband 9g 💯Battery Life : 45h 💯Wireless Protocol : ANT+, Bluetooth 💯Charging Method : magnetic charging 💯Monitor Size : 44*31.6*11.2mm 💯Armband Size : 370*25mm 💯Armband Adjustment Range : 190~310mm 💯Armband Cleaning Advice : gentle hand wash 🔥ACCURATE REAL-TIME HEART RATE MONITORING 🔥HIGH HEART RATE WARNING ENSURES SAFE EXERCISE 🔥ADJUSTABLE ARMBAND ACHIEVES MULTI-SCENE APPLICATIONS 🔥CONSIDERABLE DESIGN REALIZING BEST WEARING EXPERIENCE 🔥ULTRA-LONG BATTERY LIFE 🔥SUPPORT DUAL PROTOCOL OF ANT+ AND BLUETOOTH 🔥Pre order 7-9 working days Deliver to Malaysia, SG, Brunei, Worldwide Accept Ewallet Boost TouchnGo Etc.. & Credit card How to Order 1.Product Option: 2.Quantity: 3.Color: 4.Name: 5.Address: 6.Contact number: Send to ☎FB http://m.me/icebikeheaven ☎ http://www.wasap.my/60174204398 Sales, Order, Customer service ☎ http://www.wasap.my/60195272398 After sales/ Warranty FOLLOW US ✔ https://www.ebay.com/str/icebikeheaven37 ✔ https://shopee.com.my/icebikeheaven?tab=shop ✔ http://www.lazada.com.my/ice-bike-heaven/ ✔ https://fb.me/icebikeheaven ✔ https://www.instagram.com/icebikeheaven37/ Buy from Us! 🚴🏻💯% POSITIVE FEEDBACK 🚴🏻💯% Warranty & After Sale Service 🚴🏻💯% PARCEL ARRIVAL GUARANTEED 🚴🏻💯% ❌hidden charges 🚴🏻 7️⃣ days size exchange 🆗 🚴🏻 7️⃣ days 100% 💲💲 Guarantee back ☄ Prompt response 🥇♞ SSM Registered company- Icebikeheaven 🥇 8 Years of experience