Open Ear Clip Bluetooth Headset Semi-In-Ear Compact Wireless Headset Water Proof Headset Clear Sound Ultra Long Life Solid Wearing Not Easy To Drop Product Parameters: Bluetooth version: V5.3 Material: ABS+PC Colour: Black Operating voltage: 5V Battery capacity: 400mAh Charging interface: Type-C interface Charging compartment size: 2.56 x 1.93 x 1.02 in / 6.5 x 4.9 x 2.6 cm Package size: 3.74 x 3.62 x 1.61 in / 9.5 x 9.2 x 4.1 cm Product net weight: 0.22 lb / 100g Gross weight: 0.33 lb / 150 g Product Description: OPEN DESIGN: Unlike traditional in-ear headphones, these headphones have an open design, which is lightweight and comfortable, and will not give the user a sense of auditory occlusion, while being able to maintain a certain degree of ambient awareness, which is more suitable for prolonged wear Wireless Connection: With Bluetooth technology, there is no need for cumbersome cable connections, allowing users to move around and enjoy an unfettered music experience that is easy to use Integrated Battery Life: With excellent battery life performance, it can be used for up to 48 hours on a single charge, so users don't have to recharge frequently and listen to music or talk for a long time Environmental Noise Cancellation: Equipped with Environmental Noise Cancellation technology, it effectively reduces the noise interference from the surrounding environment, ensuring clear call quality and making calls smoother and more pleasant Multi-scene application: applicable to a variety of scenarios, whether it is outdoor sports, office study or travel and leisure, can provide a stable, good audio experience to meet the various needs of users Item list: Headset x 1 Charging cable x 1 Instruction manual x 1 OPEN DESIGN: Unlike traditional in-ear headphones, these headphones have an open design, which is lightweight and comfortable, and will not give the user a sense of auditory occlusion, while being able to maintain a certain degree of ambient awareness, which is more suitable for prolonged wear Wireless Connection: With Bluetooth technology, there is no need for cumbersome cable connections, allowing users to move around and enjoy an unfettered music experience that is easy to use Integrated Environmental Noise Cancellation: Equipped with Environmental Noise Cancellation technology, it effectively reduces the noise interference from the surrounding environment, ensuring clear call quality and making calls smoother and more pleasant Multi-scene application: applicable to a variety of scenarios, whether it is outdoor sports, office study or travel and leisure, can provide a stable, good audio experience to meet the various needs of users Battery Life: With excellent battery life performance, it can be used for up to 48 hours on a single charge, so users don't have to recharge frequently and listen to music or talk for a long time