Smart Bluetooth-compatible V5.3 Remote Control Wireless Ring Controller Portable Automatic Page Turner Browsing for Mobile Phone

High-concerned chemical : None Support APP : Yes Package : Yes Model Number : Remote Control Wireless Communication : Bluetooth Use : Universal Brand Name : Shunmaii Origin : Mainland China Certification : CE,CE Ring Browsing : Remote Control Ring Controller : Selfie Video Controller Automatic Page Turner : Automatic Page Turner Browsing Ring Remote Control : Selfie Page Turner Controller Certification : CE Origin : Mainland China Model Number : Remote Control Package : Yes Support APP : Yes Product model : JX-03 Product color : Black/pink/white (optional) Product buttons : 3 Bluetooth-compatible version : Ver.5.3 Support protocol : EDR+BLE Transmit power : Class ll(-6dBm - +4dBm) Frequency : 2.40GHz-2.48GHz Bluetooth-compatible transmission distan : 15m Charging interface : Type-C Input current : DC 5V Battery capacity : 1 X 50mAh Battery life : 48 hours Charging time : 30 minutes Product size : 37x8x33 mm/1.46x0.31x1.3in Full set weight : 65g