Bluetooth version:Bluetooth V5.2. Applicable occasions:Cycling\ driving\fishing\daily wear. Product function:Bluetooth audio\voise calls\sun protection\ wind and sand proof'. Bluetooth protocol :A2DP /AVRCP/HFP /HSP / SPP / GATT /HOGP / PBAP.
RockBros Cycling Photochromic Glasses Bicycle Sports UV400 MTB Road Bike Outdoor
ROCKBROS Cycling Glasses Sports Sunglasses Men Women Photochromic Glasses UV400
ROCKBROS Bicycle Polarized Glasses UV400 Cycling Glasses Bike Fishing Sunglasses
ROCKBROS Cycling Glasses Photochromic Polarized Myopia Sand-proof Sports Glasses
RockBros Cycling Photochromic Polarised Glasses Cycling Sports Sunglasses UV400
