K23 Open Ear Headphone Wireless Air Bone Conduction Earphones TWS Bluetooth 5.3 Ear Clip Earbuds

•The open binaural listening method avoids the squeezing feeling of the in-ear headphones on the ear canal, making it more comfortable to wear •The advanced Bluetooth 5.3 technology effectively shortens the audio and video transmission interval while ensuring the audio and video quality, and realizes high-speed and stable transmission •HIFI sound quality, and digital sound enhancement technology, restore the natural sound of the scene •Adopt pulse TD3.0 adaptive directional sound transmission, detect the shape of the ear canal, and automatically adjust the propagation angle of the integrated sound beam to ensure efficient sound transmission to the ear canal, effectively reducing sound leakage by 89% •Intelligent CVC8.0 noise reduction technology can effectively solve the interference of environmental noise during the call and greatly improve the call quality •Touch adjustment, fast and convenient, very suitable for sports, gyms, exercise, driving, travel, airplanes dating home office and running, etc. Specifications: •Bluetooth version: 5.3 •Charging interface: Type-C •Single headphone weight: 11.5g, total weight: 93g •Battery capacity (headphone): 100mAh •Battery capacity (battery box): 450mAh •Music time: about (medium volume) 14H, talk time 14H •Charging box charging times: 2 times •Speaker diameter: 16.2mm •Transmission distance: 10m •Speaker Impedance: 16Ω •Sensitivity: 116dB+3dB •Frequency range: 20HZ-20KHZ •Charging case input voltage: DC 5V⎓1A Package included: •1 Pair x Earphone •1 x Charging Case •1 x Charging Cable •1 x English and Chinese User Manual •Other things not included