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.

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.

Could not sync with my android … Could not sync with my android samsong 20 more the one person tried to sync it watching the video.reading instructions disappointed was excited now I have a object to just look at want a refund.

Bought this watch not realising needed… Bought this watch not realising needed special charger. Ordered charger and 3 weeks later received an mini electric toothbrush. Tried to resolve this but no answers, NOT IMPRESSED. Will not be buying from here again

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.