Bluetooth Version:Bluetooth 4.0
Screen type: Color LCD
Operating mode:Touch Screen
Package size (L x W x H):8.00 x 13.00 x 3.00 cm / 3.15 x 5.12 x 1.18 inches
Answer :Take off the watch straps , and dierctly insert it into the usb charging port.(note ,please try both chipset sides )
2. Question: What's the app name for the watch ?
Answer : ” Lefun Health ”
3. Question : how to connect with the app ?
Answer : download app” Lefun Health ” and turn on your mobile phone bluetooth . and then click device enable the bluetooth with your app . (Note ” don't press find band before you bind with the watch )
4. Question : how long will the battery life stand ?
Answer “usually one watch fully charge can use 4-7days , if battery comsume too fast , remember to close the notification of whatsapp facebook something like that .
5. Question :what if my watch cannot turn on ?
Answer :there are two sides of the chipset ,please make sure you try both sides. If still not work,try to insert into computer usb port and see it's condition. Contact us before you open dispute,thank you so much.
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