Smart Glasses Cycling Polarized Sunglasses Voice Assist Bluetooth Music Earphone
Bluetooth version:Bluetooth V5.2. Built-in Bluetooth Earbuds: Listen to music, take calls, and stay connected hands-free. Bluetooth protocol :A2DP /AVRCP/HFP /HSP / SPP / GATT /HOGP / PBAP. Bluetooth distance:< 10m.