Details:

* Bluetooth v4.0 + speaker + power bank + bicycle light + bell + iphone holder

* Waterproof, dustproof, anti-scratch, shockproof, high temperature resistant speaker

* Elegant and refined appearance, which is convenient to carry, with it you can enjoy music anytime and anywhere

* Excellent for outdoor sport and exercise and travel

* Used as 4400 mah power bank can charge your phone or other device in the emergency

* Double led lights with front and flashing light to choose

* Bluetooth connect to the mobile phone to call and play music

* Support TF card to play mp3 / wma / wav music

* Mobile phone application andriod or ios software

* Honk as the bicycle bell going alarm to remind front vehicles or passers-by

* Support AUX input

* IP54 waterproof

* 32bit arm master platform design and usb software update

* Note: do not immerse in water! It only supports water-proof fog!

Nota: