Blackshark V2 Pro also introduces a new hyperclear supercardioid microphone, which improves the radio definition and achieves better voice isolation and ambient noise reduction. < / P > < p > the weight of this headset is 320G, and the headband and ear pad are made of breathable flowknit fabric to ensure long-term comfort. < / P > < p > in wireless connection mode, the Blackshark V2 Pro headset provides up to 24 hours of battery life (up to 12 meters of range). For wired use, Razer also comes with a 3.5mm cable. < / P > < p > thanks to the company’s own new type of photoelectric micro motion, it can cope with 70 million clicks. Compared with the wired version, deathadder V2 Pro also supports Bluetooth 4.2 and hyperspeed low latency communication technology. < p > < p > in terms of endurance, it can reach 120 hours in standard mode. When hyperspeed low latency technology is enabled, it will be reduced to 70 hours. It’s worth mentioning that users can connect the included speedflex cable when charging to make it a wired mouse. < / P > < p > finally, this paper introduces the blackshadow V3 Pro wireless game keyboard, which also supports Bluetooth and hyperspeed low delay technology, has a service life of up to 200 hours, and can connect USB type-C cable when charging to change to wired mode. < / P > < p > the keyboard features an improved mechanical key shaft, a doubleshot ABS key cap, and a durable aluminum frame. In addition to the nominal 80 million click life, the transparent key axis also allows for better penetration of Razer chroma RGB synchronization lighting effect. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen