1. The shell is made of metal + flame-retardant VO PC material, high temperature resistance
2. Smart IC, automatic protection for over current, over voltage, over temperature and short circuit
3. The ring-shaped ambient light, soft and warm, does not touch the dark when plugged and unplugged at night
4. Upgraded and strengthened rigid contacts, firmly stuck, not afraid of bumps
5. Working temperature: -10 to 45 degrees celsius
6. Output current: 5A
7. Output voltage: USB green/purple: DC4.5-12V / 5A, USB blue/black: DC5V / 2.4A,
8. Working voltage: 12-24V
9. Material: metal+PC
10. Dimensions: 68 x 32 x 20.5 mm
11. Weight: about 32g

Features:
1. QK505: for Huawei 22.5W super fast charge
2. QK505L: with digital display; for Huawei 22.5W super fast charging
3. QK739: the full protocol for OPPO 65W super fast charging, and for Huawei 40W super fast charging
4. QK789: dual USB ports output at the same time; the green port for Huawei 40/22.5/66W super fast charging; the purple port for Huawei 22.5W super fast charging, for Xiaomi for Samsung QC3.0/2.0, etc.
5. QK506L: with digital display; dual USB ports output at the same time; the green port for Huawei 40/22.5/66W super fast charging; the purple port for Huawei 22.5W super fast charging, etc.