New IPX7 waterproof Bluetooth speaker

Introduction:

1.  Waterproof  IPX7
2.Bluetooth 3.0 wireless audio transmission
3.Built in Microphone
4. With phone handsfree calling 
5.Charging by USB through computer
6.Voice prompt function
7.Very suitable for the gifts for promotion
8. Accessory for tablet pc/laptop/computer/

mobilephone and other bluetooth device