Rotatable Wireless Bluetooth Headphones With Digital Display Open-Ear Business Bone Conduction Clip-On Headphones

​​Main Features: The headphone head can rotate and is suitable for both left and right ears. Bone conduction design, not entering the ear, is healthier for the ear canal. With intelligent noise reduction technology, calls are clearer. 5.5 Bluetooth chip, with lower power consumption and more stable transmission. It has a battery level display, making it convenient to check the battery level of the headphones at any time. Type-C charging makes it more convenient to use. Specification: Material :ABS Bluetooth chip: Zhongke Lanxun Bluetooth version: V5.5 Colour :Black, White, Blue Weight: 15g Size: 6.2*4.6*1.2cm Distance: 10-20m Earphone battery: 200mAh Listening time: About 10h Charging time: About 2 to 3h Standby time: 200h Charging voltage/current: 5V/1A Wireless frequency: 2.4GHZ Transmission distance: 10m Speaker impedance: φ16MM, 32Ω Microphone sensitivity: -42 dB Operating temperature: -10 to 50℃ Package Included: 1pc*headphones Note: Please allow an error of 1-2cm due to manual measurement. Different computers display different colors, and the actual color of the item may be slightly different from the picture. Retail Box.Packing Safely in Bubble Bag.