d20s bluetooth smart wristbands watch men women wristband blood pressure heart rate monitor sport smartwatch fitness tracker for xiaomi huaw

russian,german,italian,czech,japanese,french,thai,simplified chinese,traditional chinese,english,portuguese,spanish,korean please charge it for 2-3 hours when you receive it. it was run out of power after the long delivery. thank you support mobile phone version: ios8.0 or above, android 4.4 or higher
app language: chinese, english, western, french, german, russian, dutch, portuguese, japanese, malaysia, thailand.syi