Challenger Smart Band CHG304E Challenger Smart Band CHG304E. The fact you can't find them on Google tells you they are hiding for a reason. POS doesn't even see Bluetooth let alone connect. Zero support. AVOID.

Not Suitable for Samsung Phones Received my order however unable to connect.Used the tutorial kept on saying disconnected.Then come to find out does not connect to Samsung phones.Does not state that anywhere in ad so wasted my money.Requested a refund but appear to be making excuses.So if you have a Samsung phone not compatible.

A simple and straight forward process A simple and straight forward process. 2x free watches ordered, and arrived within around 14 days. Simple to set up once I plugged the watch into my USB charger the correct way round! An easy device to navigate, simple readings, more or less accurate indicators of health levels.

I am giving 5 stars for the customer service rep I am giving 5 stars for the customer service I recieved. The watches would get 4 . They are very difficult to figure out (took me 4 days to get them connected to my phone and the app). I ordered 4 watches and 1 won't hold more than 2 bars worth of charge. After contacting customer service they are replacing the watch that won't hold a charge and I was finally able to get them to connect to the app. The customer service rep was very quick to respond and helpful with her responses.

At first I thought the watch wouldn't… At first I thought the watch wouldn't charge but, I wasn't doing it right. After plugging it in differently, which didn't seem right, it started charging. When I sent an email asking questions I received a promt response.