Product Name: 4G Waterproof WiFi GPS Smart Watch 16GB Bracelet Android Phone K03 Model NO.: K03 Feature: 3G, WiFi, Bluetooth, Water Resistant, Sport Material: Silicone Usage: Communication Display: IPS Battery: 620mAh High Voltage Polymer Battery GPS Accuracy: Less Than 5m CPU: Mtk6737V Button: Power Button, Backspace Button Language: Multi-Languages Positioning: GPS+4G Network Positioning Standby Time: 72 Hours Screen: 1.3 Inch IPS LCD OS: Android 6.0 RAM+ROM: 1GB+16GB Bluetooth: Ver 4.0 Heart Rate Sensor: Yes, Support Notification Sync: Yes, Support Sleeping Monitor: Yes, Support Intelligent Voice System: Voice Search, Voice Query Trademark: OEM/ODM Transport Package: Giftbox Package Specification: CE, RoHS Origin: Shenzhen, China HS Code: 9102120000 Product Description K03 Specification:Supoort networl frequency:TDD-LTE: B38, B39, B40, B41;FDD-LTE: B1,B3,B5,B7,B8;TD-SCDMA: B34+B39;WCDMA: B1+B2+B5+B8;GSM: 850/900/1800/1900Dimension52*49*17mmAppearance finish technology/PackingInner gift box: 122*100*66mm Outer carton box: 51.5*25.7*14.5/cmUnit weightN.W. : /66.6g G.W.: /212gG.W.: /4.6kgHardware Specification:CPUMTK6737VOSAndroid 6.0RAM+ROM1GB+16GBLanguageMulti-languagesDisplay1.3 inch IPS LCD;resolution:240*240 pixelTouch screenOGS Capacitive ScreenFrequency bandTDD-LTE: B38, B39, B40, B41; FDD-LTE: B1,B3,B5,B7,B8; TD-SCDMA: B34+B39; WCDMA: B1+B2+B5+B8; GSM: 850/900/1800/1900BluetoothVer 4.0SpeakerEnclosed speakerFlashlightYesHeart rate sensorYesG-sensorYesWifiYesGPSYesMotorYesMicYesBattery620mAh High voltage Polymer batteryStandby time72 hoursButtonPower button, backspace buttonConnector4 pins magnetic connecting, charge and data transferMain function:Phone4G local phone callSMSLocal SMSMobile PaymentQR code for mobile payment(wechat pay, Alipay, and so on)Notification syncWhatspp, wechat, Twitter, Facebook, Email, etc...MusicPlaying music on watchPlaying music with Bluetooth earphoneIntelligent voice systemVoice search, voice queryHealthHeart rate monitorMulti motion modesSleeping monitorCompassYesPositioningYes, GPS+4G network positioningOur Service1.All of our products can be offered at OEM, such as custom logo, packaging, etc.2.Allourproductwill bestrictlytestedbeforewedeliveredtoyou.3.wewilltryourbestto provide thelowestshippingcostforyou. Warranty1.Our product warranty is one year since the date of purchase.2.We have the after-sale service. If any comments or questions after received our item,please e-mail us immediately, we will answer you as soon as possible.FAQ*What's the MOQ and lead time?For our existing mold items, normally we don't have strict MOQ, samples or trial order is available.Our sample lead time 2-3days, our production lead time is 10-15days, which also based on the order quantity.*Can I brand the items with our own logo/Brand?Yes, we do provide OEM & ODM service.*What's the payment terms you accept?Our payment term: T/T(30% down payment, 70% balance before shipment),for small batch orders, normally we accept Paypal payment, for bulk order we have HK HSBC account or Western Union account.*How long do you offer for your product warranty?Our product warranty is 12 months, except artificially damaged or improper operation;*How can I get a sample to check quality?Please just forward me the sample order summary (include the exact item number, preferred colors, sample quantity), then I will make the sample PI for your approval, after received your payment through Paypal, I will send out the sample to you