Annadue Bone Conduction Glasses Headphones - Bluetooth 5.3 8 Hour Playtime

Specification: Item Type: External Glasses Bluetooth​ Headphones Bluetooth​ Version: 5.3 Bluetooth​ Distance: Approx. 10m / 32.81ft Battery Type: Li ion battery Single Earphone Battery Capacity: 80mAh Compatible Glasses: Universal for various glasses Playing Time On Full Charge: Approx. 8h Charging Time: Approx. 2h Speaker Single Magnet: 3.6mm Impedance 16Ω Material: ABS How to Use: Directly use PackageList: 2 x External Glasses Bluetooth​ Headphones 1 x Charging Cable 1 x User Manual 4 x Silicone Cover