Product name: Single-ear business hanging ear Bluetooth headset noise reduction Product size :15*9*3cm/5.91*3.55*1.19in Gross weight :180g Product color: Black Product material: ABS+PC Applicable model: YYk520,YYk520 second generation Battery life: 8-10 hours Charging time: 1-2 hours Description: 1. Business design - earphone design is biased towards business use, and the hanging ear design ensures that it is stable and not easy to fall off during the office or business trip. This design is particularly suitable for long-term wear, reducing ear pressure, suitable for business people to use when talking or listening to music. 2. Active noise reduction function - The headset is equipped with active noise reduction technology, which can effectively reduce ambient noise and provide a clearer call quality and music experience. Noise reduction is especially important for business professionals as it provides better privacy and focus in noisy environments. 3. Comfortable to wear - the hanging ear design coupled with soft earplug material ensures that users still feel comfortable when wearing for a long time. The design of earplugs and hanging ear parts should take into account ergonomic principles, reduce pressure points on the ear, and make the wearing experience more comfortable. 4. Convenient Bluetooth connection - The headset supports Bluetooth connection, making it easy to pair devices such as smartphones, tablets or laptops. Fast pairing technology and stable Bluetooth connectivity allow users to seamlessly switch between devices, ideal for business meetings and daily communication needs. 5. Long battery life - Business headsets usually need to have 8-10 hours of battery life to meet the needs of all-weather work. Headphones should have a large battery capacity, support continuous hours of talk or music playback time, and charge fast, ensuring that users always have enough power to support their busy schedules. Attention: 1. Due to different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you very much! 2. Please allow measurement deviation due to manual measurement.