Open Directional Audio Black Technology Glasses

Product information: 

Product category: open directional audio glasses
Transmission range: 10 meters
Function: battery display, call function, support music
Channel: stereo
Usage: hanging ear type
Whether single or double ear: bilateral stereo
Applicable gift-giving occasions: birthdays, holidays, housewarming, trade fairs, advertising promotions, employee benefits, anniversary celebrations, business gifts, opening ceremonies

Style:
A: D classic box black
B: A fashion round black
C: RHF1 black
D: RHF1 transparent
E: C transparent
F: E section transparent
G: K transparent
H:P high-gloss black
I:P matte black