K2 Smart Bluetooth Glasses Half Frame Glasses

Basic Parameter Size L W H 145 18 42mmNet weight 32gColor Black SilverMajor function Bluetooth call bluetooth music anti blue light lensHardware parameter Chipset BK3266Compatible System FLASH memory N AConnection parameter BT BT5 0WIFI N ANFC N ABattery Type Lithium ion batteryCapacity 90mAhCharging Method USBLens Material A Three layer Coated Anti Blue ray Lens High Hardness Anti scratchB coated polarized sunglasses high hardness anti scratchOther parameter Waterproof Level IP64Charging time 1H About 1 hourLife time 5H Stand by for about 7 days play music for about 4H and talk for about 5H Appearance material TR90 PA TPU Package Package Size L W H 16 7 5 5 3cmGross Weight 235g Package Included 1 K2 Smart Bluetooth Glasses