Bone Conduction Bluetooth Smart Sunglasses Wireless Stereo Music Sport Headphone

Product Name: Smart Sunglasses

Size: 145x150x50mm / 5.70''x5.90''x1.96''

Material: PC(Polycarbonate)

Battery Capacity: 250mAh

Charging Time: 2-3 Hours

Charging Voltage: DC 5V

Music Time: 3-4 Hours

Call Time: 4-5 Hours

BT Version: V4.0

Transmission Distance: 10 Meters

-Great material composite to filter UV, strong light and etc to protect your eyes.

-B 4.0 connection, stable connection to listen to the music or answer the phone call.

-IPX7 waterproof, not afraid of sweat when you riding outdoor.

-Can be fully charged within 2h and have long stand-by time.