Tyre Shape Portable Mini Wireless Bluetooth V2.1 Waterproof Speaker Smart Hands-free Speaker

Product Features:
Tyre shape waterproof design
Wireless Bluetooth speaker support answer calling and TF Card.
Support TF card(micro SD TF card)with TF card slot,can play MP3 format files in the TF card.
Support Mobile Phone/Laptop/Tablet PC/iPods.
Built-in Microphone,support hands-free function
100% brand new and high quality.
Built in rechargeable battery 800mA, charged by computer via micro USB interface
Support voice information and incoming call function
Pause and turn off automatic 10 minutes later
Compact and portable, convenient to carry and use it indoor or outdoor
With hook design,you can hang it wherever you want
Product Specifications:

Bluetooth version: 2.1 + EDR
Trumpet: 4Ω3 w
Radion frequency: 100Hz-20kHz
Operating voltage : 5V
Battery capacity: 800 mA.
Power charging: DC5V/800mA
Distortion degree: 10%
Size: 94 x 83 x 40 mm / 3.7 x 3.27 x 1.57 inch
Net weight: 218 g / 7.69 oz 
link : http://www.tinydeal.com/it/tyre-portable-mini-wireless-bluetooth-v21-waterproof-speaker-p-148936.html