Gitfu corporate gift expert, provides customised custom computer product, gift set, guaranteed imported chips, small order welcome, 10 days production 

GiftU excellent quality corporate premium. Enhance your brand image. GiftU your perfect gift & souvenir solution!

Features: Wireless Bluetooth, Cylinder Shaped, Built-in Lithium Battery 
Supports: Bluetooth, Volume Control, TF Card Music Playing 
Functions: Stereo, AUX Function 
Compatible With: iPhone, MP4, PSP, MP5, Laptop, Mobile Phone, Tablet PC, PC, TF/Micro SD Card, iPod, MP3 
Connection: Wireless 
Interface: Power Charge Port, 3.5mm Audio, TF Card Slot 
Audio Source: Bluetooth Enabled Devices, TF/Micro SD Card, Electronic Products with 3.5mm Plug 
Material: Metal, Plastic 
Power Output: 3 W 
Freq: 280Hz-16KHz 
S/N: 95dB
Power Source: USB 
Charging Voltage: 5 V 
Input: DC 5V 500mA 
Charging Time: 2 hours 
Lasting Time: 5 hours 
Battery Capacity: 520 mAh