A9 Smart Glasses BT Stereo Headset Polarized Sunglasses with Mic for Riding Driving Fishing Running Golf Outdoor Activities

Features: BT headset sunglasses are a perfect combination of polarized sunglasses and BT 4.1 + EDR in-ear headphones. Polarized glasses can reduce glare, filter light and effectively protect your vision. The fashionable glasses frame is made of high-grade material, light, flexible and durable. BT headset brings you great listening pleasure and is compatible with almost all BT enabled audio devices. With the help of the built-in microphone, it supports hands-free calls, easy to answer and hang up the phone. Suitable for outdoor activities, such as cycling, fishing, driving, climbing, playing golf and so on. Note: White and black earphones are shipped randomly. Specification: Product name: Smart BT glasses Bluetooth specification: V4.1+EDR Frequency range: 402- 480GHz Headset: A2DP.AVRCP Transmission distance: 10 meters Music playing time: 4 hours Phone-call time: 5 hours Battery capacity: 3.7V/110mAH Charge voltage: DC5V/500mA Charging time: 2 hours Earphone power: 320W Receiving sensitivity: -40dbm Audio range: 20Hz-20KHz Distortion degree: Net weight: 28g Working temperature: -15-55c Storage temperature: -20-65c Product size: 198.57.5cm Product weight: 150g Package List: 1 Smart Glasses 1 Cloth 1 USB Cable 1 Case