Smart4u Ski Helmet Bluetooth telephone function IPX4 waterproof

Smart4u Bluetooth ski helmet SS1

Bluetooth telephone function, built-in windproof noise microphone, make outside calls clearer.

The helmet is equipped with low temperature resistant lithium battery, it can work at -20° temperature.

Ten vents design, make sure your head warm and dry.

PC material edge design and striking resistant function, protect the helmet.

Pass European standard authority safety certification, IPX4 waterproof.

Specification:

Brand: Smart4u SS1

Product: Cycling Helmet

Material: EPS+PC

Weight: 540g(L), 500g(M/S)

Head Circumference: 52-56 (S), 56-58 (M), 58-62 (L)

Size:

S: 280 x 215 x 223(mm)

M: 280 x 215 x 223(mm)

L: 290 x 226 x 230(mm)

Colors: White (M/L), Black (M/L), Blue (S/M)

Battery: 3.7V 300mAh

Run Time: Max. online time: 15h

Max. conversation time: 300mins

Charge Time: 2 hours

Electrical Parameters: DC 5V/1A

Bluetooth Connection Distance: Max. 10m

Charging Interface: Micro USB

Working Temperature: -20℃-50℃

Package Including:
1 x Smart4u SS1 Cycling Helmet
1 x USB Cable
1 x Manual