The smart watch has Germany??French??Spanish and English Introduction Manual.</br>MTK 1st low-power dissipation chipset from MTK2502C?? Compatiable with both IOS & Andriod</br>Professional statical and dynamical heart rate monitor.Changeable 22mm strap??IP54 waterproof.</br>2.5D curved OGS screen?? IPS with full anglel view</br>Traditional classic watch design?? Super Smartwatch expericence?? you become the model</br></br>Product Description</br></br>Description:<br> Size:44.5mm*44.5mm*1