Model: XIAOMI Smart4u E10
Waterproof rating: IPX4
Helmet material: ABS+EPS+PC+PP helmet weight 660g (without mask)
Mask weight: 122 g
Head size: 56-62cm
Size: 37X24 5X22cm
Color: graphite black, rock white, jellyfish powder
Battery: 3.7V 450mAh
Polymer lithium battery standby time: about 100 hours;
Life time:
Play music: about 8 hours
Normal call: about 8 hours
Charging time: about 3 hours
bluetooth connection distance: s < 10 meters
Charging interface: Micro USB
Operating temperature: It is recommended to use electronic functions in the environment of 0 ° C ~ 50 ° C
