J1 Smart Bluetooth Sunglasses

•Battery capacity: 120mAh * 1
•Bluetooth version: 5.0
•Standby time: around 12h
•Working time: around 3-8h, if max volume will be 4h around.
•Speaker: 23Ω1W * 2
•Charge port: magnetic
•Frame material: TR90 + PC
•Lens material: plano lenses
•Support optical lenses