TechnosAmigos.com Comparison brings out opinion on Mi Band 1s by Xiaomi or 37 Degree L18 Smart - which one to buy.\nAtleast for me losing that extra weight, getting into shape is tough goals to achieve. Probably if I had a fitness tracking device, it can help. That's why we have fitness bands available in the market. At times it might be confusing for you on which one to buy as there are dozens of them available from $10 to $300 and if you are limited with the budget of $20, then we have two choices - Xiaomi Mi Band 1S and 37 Degree L18 Smart. So let's straightaway check out which one you should buy and why.\n\nXiaomi launched Mi Band 1S as the successor to Mi Band. Priced at $18.59, it adds heart rate monitoring moving from its predecessor and goes waterproof. And we also have Mi-Fone, an African brand offering 37 Degree L18 wrist-band at same price as that of Xiaomi fitness band. So which one you should buy, I hope this comparison helps you out.\nFunctions Comparison\nFrom the table below, it's clear that both fitness band includes sleep tracking, step counting, heart rate monitoring sensor. So all the data on how many steps you have taken, distance traveled, calories burnt, sleep activity, heart beat rate are tracked by both, just like any other fitness tracking device. Additionally I see that L18 Smart Band includes Blood Pressure monitor, Mood condition detecting and also measures your fatigue state.\nWaterProof Capabilities\nWater-resistant might be the right word here. The Xiaomi Mi Band 1S with IP67 certification means that it can be immersed into water of up to 1 meter depth for maximum of 30 minutes and gets complete protection against dust whereas as the 37 Degree L18 Wrist band with IP-54 certification means that it can withstand water splash with maximum of 10 liters per minutes.\nBattery Life\nRemember that battery life depends how many functions that you have turned ON. The Xiaomi Mi Band 1S gets 45 mAh Lithium Polymer battery and company says that it can provide up to 10 days of standby time. If you have heart-rate monitor turned ON, then you might not get more than 5 days of usage.\n\nMiFone has powered 37 Degree L18 smart-band with 157 mAh Li-Polymer battery providing 120 hours [5-6 days] of standby time.\nPrice Comparison\nWhile the Xiaomi Mi Band is sold at $18.59, the 37 Degree L18 Wristband costs a dollar more. Both are cheapest fitness bands available worldwide.\n\n\n\n\nFeatures\n\n\nXiaomi Mi Band 1S\n\n\n37 Degree L18 Smart\n\n\n\nBattery\n45 mAh Li-Polymer\n157 mAh Li-Polymer\n\n\nStandby time\nAbout 10 Days\nAbout 120 hours\n\n\nWaterproof\nYes, IP-67\nYes, IP-54\n\n\nCompatibility\nAndroid 4.4\/iOS 7.0\nAndroid 4.3\/iOS 7\n\n\nSleep Tracker\nYes\nYes\n\n\nStep Counting\nYes\nYes\n\n\nHeart Rate Monitor\nYes\nYes\n\n\nBP Monitor\nNo\nYes\n\n\nConnectivity\nBluetooth v4.0\nBluetooth v4.0\n\n\n\u00a0Additional Features\nEasy Phone unlock\n\nVibration alert on incoming call\nBlood Pressure Monitor,\n\nMood Condition detecting, Fatigue State\n\n\nPrice\n$18.59\n$19.99\n\n\nBuy Now\nBuy Now\nBuy Now\n\n\n\nSo which one have you ordered?