"Specifications: This item is the perfect combination of practicability and fashion. Fashionable design with foldable eyeglasses. Earphones built directly on to the frame, and can be adjusted for comfortable fit. It can works for all Bluetooth mobile phones, you can enjoy hands-free talk with your friends. Telephone talking mode when calling in and out. Call accept/eject/end. Auto power off. With mini USB port and rechargeable built-in lithium battery. Suitable for any Bluetooth enabled cell phone. Type: Glasses Bluetooth Earphone Lens Material: Polaroid Lens Bluetooth Version: Bluetooth V5.0 Operating Frequency 2.4GHZ-2.480MHZ Wireless Connection Range: 10 Meters Transmit Power: Glass2 Earphone Battery: Built-in 150mAh Lithium Battery Earphone Talk time: 6 Hours Standby Time: 150 Hours Frame Width: 145mm/5.71"" (Approx.) Nose Bridge Width: 20mm/0.79"" (Approx.) Lens Width: 60mm/2.36"" (Approx.) Lens Height: 35mm/1.38"" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Glasses Bluetooth Earphone 1 x Charging Cable 1 x Glasses Box 1 x User Manual 1 x Glasses Cloth"