This is the Techancy brand KP2712 model TWS wireless stereo headset, and here is a detailed description of it: 1. Appearance design: The overall style is simple and black. The headset is compact and exquisite, with an ergonomic design that fits comfortably against the contours of the ear, so that it is not uncomfortable to wear for long periods of time. The charging case is rounded and pebble-shaped, which is convenient for holding and carrying, and has a smooth surface and a full texture. 2. Bluetooth version: Bluetooth 5.4 + EDR technology is used, which provides faster and more stable connections than previous versions, a wider signal transmission range, and lower power consumption, effectively extending the headset's usage time. 3. Battery life: The headphones have a built-in 30mAh battery, which lasts for about 4 hours on a single charge. The charging case has a 300mAh battery, which can be used to charge the headphones multiple times, significantly increasing the overall battery life and meeting the needs of daily use when going out. 4. Charging method: Equipped with a Type-C charging port, which is convenient for plugging in either way and supports fast charging, which can effectively shorten the charging time. 5. Audio configuration: Equipped with a 10mm dynamic unit and a 32Ω copper ring, it can provide clear and full sound quality, whether listening to music, watching videos or making calls, it can bring a good audio experience. The microphone is made of silicone, which helps improve the sound reception during calls, reduce environmental noise interference, and ensure clear calls. 6. Suitable for a variety of scenarios, such as when exercising, it can be worn securely and will not fall off easily; when commuting, it can block out some external noise and allow you to immerse yourself in music or phone calls; when working or studying, it is convenient for answering phone calls or listening to audio materials, and the wireless design frees you from the constraints of cables, allowing you to use it more freely. MODEL: KP2712, REF: TM07555, EAN: 5609602075550,