Definition Specification Basic Parameter Material ABS+silica gel Lens A Three-layer coating anti-blue ray lens, high hardness anti-scratch Weight about 41g Colour Black Hardware parameter Chipset supplier JieLi Chipset AC6936d Speaker 1506 Microphone MEMS MIC Battery Type Lithium polymer Capacity 110mAh Connection parameter bluetooth 5.0 WIFI N.A NFC N.A Compatible system IOSAndroid Other Partmeter Charging method USB Charging time about 2-3H Waterproof Level N.A Call time about 4-5H Music time about 4-5H Standby time About a week Product language English/Chinese Major function Bluetooth call/Bluetooth music/ AI/Anti-blue lens Control One key(right) Packing Partmeter Package sizeL*W*H) about 180*75*55mm Package weight about141g Operation Start up press and hold the function key 3S Shutdown press and hold the function key 3S Answer call Click the function key Hang up Click the function key Decline call press and hold the function key 2S Play/Suspend music Click the function key Wake up Siri press and hold the function key 2S Adjust the volume Click ‘+’ button to increase volume; Click ‘-‘ button to reduce volume