Rockbros SP216BL photochromic UV400 cycling glasses - blue Brand_Meizu Transmitter battery life Approximately 9

Transmitter battery life Approximately 9 hours

The metal tip ensures the best shielding for reliable signal transmission

Easy to mount under the saddle or on the seatpost

Frequency: 60Hz-20kHz

4 g Dimensions 146

Rockbros SP216BL photochromic UV400 cycling glasses - blue Brand_Meizu Transmitter battery life Approximately 9Rockbros SP216BL photochromic UV400 cycling glasses blue Thanks to intelligent photochromic technology, Rockbros SP216BL cycling glasses dynamically adapt to changing light intensity. They therefore provide optimal protection against UV radiation and comfort in all conditions. The light and durable construction minimizes the burden, and the fashionable design allows you to stand out in the crowd. Additionally, the adjustable nosepiece and soft temples