Smart Glasses Black Technology Headset Bluetooth Sunglasses Color:Transparent Length: medium length (65cm <

Length: medium length (65cm < length ≤ 80cm)

Operating voltage: 4

Specifications: black

12/24 hour system selection (default 12 hour system)

Key material ABS plastic

Smart Glasses Black Technology Headset Bluetooth Sunglasses Color:Transparent Length: medium length (65cm <Product information: Color: Black, Transparent Screen size: None Processing Method: OEM Material: TR90 Additional features: Call, listen to songs, and language assistant Packing List: Host, data cable, manual, glasses cloth, color box Applicable people: business, public, fashion, adult, other Battery capacity: 110 mA Operation mode: Button Wearing method: Head mounted Size: Packing list: 1pc*Host 1pc* data cable 1pc* manual, 1pc*glasses cloth