Product model: BS17 Bluetooth version: V5.2 Battery capacity: 180mAh Connection distance: 10m Play time: 11H Charging voltage: 5V Power interface: Type-C Number of channels: Stereo two-channel Using bone conduction technology, the sound is transmitted to the auditory nerve through the skull and jawbone to cause hearing, skipping the outer ear and middle ear, and at the same time, it does not hinder the external sound from transmitting sound waves through the air. Ergonomic on-ear design, stable and comfortable, easy to control various sports, and intense exercise is never restricted. Built-in microphone, no need for mobile phone operation, one-key answering with earphones, no delay in calls during exercise, high-definition noise reduction technology, clear calls even in noisy environments. Lightweight body design, the whole machine weighs only 30g, comfortable and gentle texture, so light that you forget it exists, and it is more comfortable to exercise Hardcore Bluetooth 5.2, stable and continuous connection. Strong anti-interference ability, even in a noisy environment, the response speed can be increased by 95% in one second, and there is no delay in music/calling. Small body, big energy, 180mAh large-capacity low-power battery with low-power chip, allowing the earphones to play for 12 hours, and the battery life is longer, allowing music to accompany every moment.