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!

Bluetooth: V3.0 
Working distance: 30 feet 
Support card: TF,Micro SD 
Phone call: hands-free calling 
Power Supply: 5V 500mA to 1A 
Frequency: 90Hz-20KHz 
SNR: ≧85dB 
Speaker: 3W X 1 
Impedance: 4Ω 

Accessories: 
2-in-1 USB  charging & Line-in cable 
1 X user's manual