Product Name: IP57 Waterproof Wearable Devices Bluetooth Sports Smartbands Model NO.: E02 Feature: Bluetooth, Bluetooth and Water Resistant Material: Silicone Usage: Health Management Display: OLED Water Resistant: IP57 Style: Bracelet Trademark: OEM/ODM Transport Package: Blister Card, Gift Box and OEM Packaging Specification: CE/RoHS/SGS Origin: Shenzhen, China HS Code: 90291090 Product Description IP57 Waterproof Wearable Devices Bluetooth Sports SmartbandsfunctionFor android OS, display the in-call numberFor IOS,display " INCOMING CALL"Watch function,time displayincoming call noticecamera remotevideo remotefind phone (Android)Lost warning, out of range alarmAll day tracking:step counting,distance,calorieSleep tracking:sleeping time,sleeping quality.Message notice (Android)Clock alarm:setting clockTask alert:can create at most 3 tasks,will remind you by vibration or display.Move alert: alert you moving every 30 minutesFitness goal settingFitness information sharingSynchronous data to mobile applicationsAndroid and apple application in syncspecificationsOS RequirementAndroid 4.3 OS, IOS 7.0 or above, BT 4.0BT VersionV4.0BLEDisplay0.84 inches OLED (96x16)Battery capacity60mAStandby timeSuper-long standby for 180 daysThe motorBuilt-in, vibration to remindThe charging interfaceStandard PC USB interface 5VWaterproof levelIP57The sensorGravity sensorProfessional factory design smart bracelet. we could add customer logo on our products .