ROCKBROS Smart Bluetooth Helmet Audio Speaker Hands-Free Phone Call Voice Navigation Waterproof
Support for APP: Android 2.3+
Charging time: About 1 hour
Size: Show as the picture
Operating voltage: 3.4-4.3V
Working current: ≤50mA
Working temperature: -20℃-50℃
Bluetooth connection distance: 25m
Battery: 400mAH polymer lithium battery
Audio frequency response: 120Hz-12KHz
Audio distortion: ≤1%
Audio signal to noise ratio: ≥60dB
Audio output power: 3W
Bluetooth connectivity,support for android and IOS.
Hands-free answer phone.
APP support,for android.
Multi-functions,can use for bike,car,helmet etc.
Recommended use for riding,running,climbing and so on.
With Velcro and shockproof sponge,easy to use.
USB charging,one hour time full charging,82 hours standby.
Lightweight,small body,large energy.
1. Not includes USB cable.You can charge it by using your own android USB cable.
2. Bluetooth Support for Android 2.0+ and IOS 2.0+.
3. APP only support for android 2.3+,not supported for iphone.
4. Voice functions only support for Android system.
1 x Helmet speaker
1 x Pair of Velcro
1 x Shockproof sponge