We need some customization , if you can deliver with Our customization needs extra LDR or Light Sensing & Proximity Sensing. All Datas from Devices must come to our Android & iOS App. Devices must work with Wifi, 4G Sim Cards in India & UK, 3G or 2G speed no problem at all. Will give you bulk order continuous after sample testing, it should reach on time. Price must be very reasonble otherwise we cant afford it. You can remove some parts to reduce size & price like Display, belt even housing, casing too. Device size & model must be more Sleek & Small, 1st you confirm can u produce it for us. and what will be the price of devices. 1st order for sample chek 5 pcs next order 100 next 200 next 500 next 1000 pcs every week next 20000 pcs monthly. Mail us to : It is nice to write to you. This is Sobhan from India. I would like to buy MTK6261 bluetooth GSM phone call smart watch phone.Could you please send me the quotation from this with the details as below:Color,Screen,Operation System,Do you have any quality assurance certificates?I am looking forward to your reply.With Best RegardsSobhanSobhan Bhattacharya Show More