Open Bluetooth Headset Wireless Not In-ear Integrated Battery Life Up To 36H High Definition Noise Cancellation Call Directional Sound Transmission Product Parameters: Bluetooth version: V5.4 Material: ABS+PC Colour: Beige Operating voltage: 5V Battery capacity: 400mAh Charging interface: Type-C interface Charging compartment size: 3.62*2.72*1.73 in / 9.2*5.9*4.4 cm Package size: 4.76*3.62*1.69 in / 12.1*9.2*4.3cm Product net weight: 0.33 lb / 100g Gross weight: 0.39 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 36 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 *1 Charging cable *1 Instruction manual *1