Description:The smart glasses features noise-reduction microphone, which can bring you high-fidelity and stereo sound effect.The smart glasses supports eye protection, hands-free calling and listening to music, which is multifunctional and practical.Made of ABS material, the smart glasses is eco-friendly and lightweight to use. It features long standby time,which needs no charging frequently.The length of the smart glasses is 14.5cm, width is 17cm and height is 4cm.The smart glasses is suitable for driving, riding, climbing mountains and so on. Adopting ergonomic design, it can bring you comfortable wearing experience.Item Name: Bluetooth-compatible GlassesMaterial: ABSColor: Black, Grey, Yellow, TawnyBluetooth-compatible Version: 5.0Battery Capacity: 160mAh(Included)Playing Time: 3HTalk Time: 4HStandby Time: 150HCharging Time: 1HSupport Language: Chinese, EnglishTransmission Distance: 10mFeatures: High Fidelity, Comfortable, UV ResistantSize Details: 14.5cm x 17cm x 4cm/5.71" x 6.69" x 1.57" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Bluetooth-compatible Glasses1 x Data Cable1 x Storage Box1 x Glasses Cloth1 x User Manual