With the continuous development of bone conduction headphones, more and more bone conduction headset manufacturers have begun to change their product ideas, maintain the original function on the basis of lightweight design on the basis of the original bone conduction headphones, and make them the same price as ordinary headphones, so that Chinese people can afford and use bone conduction headphones. Simplicity and zero sense wearing, this is the feature of the South Carolina Runner CC4, the core functions are upgraded, the weight limit is broken, the sound area is larger, etc., let's take a look at how it performs. 
The South Carolina Runner CC4 still continues the carton packaging style of the previous generation, with the product design drawing on the front and the parameter description of the product on the back. The South Carolina Runner CC4 is mainly divided into the standard version: red, dark gray and the memory version: khaki, blue. The picture above shows the standard version - dark gray. 
The inner packaging of the South Carolina Runner CC4 is protected by sponge and embedded in the notch of the design, which can effectively protect the bone conduction headphones from unnecessary damage. In addition, it comes with some accessories, such as charging cables. 
This time, the Nanka Runner CC4 broke through the weight limit, and on the basis of the previous generation, the headset was deeply cultivated, and after 3 years of hard work, the weight of the Nanka Runner CC4 was built to 25G, which became a representative of lightweight, and it was almost impossible to wear after adapting. 
In terms of design, it adopts the contour of Asian people around the ear, customized earphone veneer, multi-point support design in wearing, and uses aviation-grade materials, which are natural and skin-friendly, and there is no great discomfort in the actual wearing experience, and the wearing is stable. 
In terms of sound quality, the South Carolina Runner CC4 still continues South Carolina's innovative technology - Echo Technology, with 14The 5mm super-large oscillator achieves a larger sound area and a more complete sound field, and the actual recording is very sensitive, very immersive, and almost meets the needs of individuals. 
In addition, the South Carolina Runner CC4 is equipped with OT closure patented technology30, directional oscillator and closed cavity and other blessings, that is, we commonly known as the sound leakage reduction technology, privacy has a better guarantee, the call is almost insensible. In addition, it has HVB vibration reduction technology and AI intelligent call noise reduction technology, which can reduce the vibration phenomenon generated during listening or calling, and at the same time, it can communicate freely during exercise. 
In terms of battery life, a full charge can meet the long battery life of 8 hours and meet the needs of all-weather **. It comes with magnetic charging, which is free from the trouble of the jack, but in the actual experience, the charging speed needs to be optimized, and other performances are not bad. 
Nanka Runner CC4 adopts user-friendly operation, with physical buttons, one-handed operation, easy to use. At the same time, it supports intelligent one-to-two, which can switch tasks at will and deal with it without pressure. In the actual experience, the key feedback is moderate. 
The Runner CC4 uses a fixed Bluetooth chip to bring a faster transmission rate, combined with the low-latency intelligent algorithm of Nanka, which can effectively reduce the delay of sound and improve the user's experience in games or movies. In addition, the South Carolina Runner CC4 supports IPX6 waterproof, which can calmly face sports sweat, rain and washing. 
As the industry's lightest South Carolina Runner CC4, it improves headset performance while reducing **, bringing users a better experience. Whether it is in terms of wearing experience, or function and other aspects can perform very well, and adapt to a variety of scenes, at the same time, the built-in 4GB memory to get rid of the mobile phone's independent device, you can immerse yourself in the charm of the user in sports. Super high cost performance, colorful functional configuration, lightweight design, recommended.