Features:
Portable Bluetooth Speaker,built-in bluetooth wireless transmission, working distance up to 10 meters. 
Support Hand-free when answer calling (with MIC)
Compatible with all Bluetooth devices such as smart phones, tablet PCs, iPOD ...
Bluetooth chip, clear sound and perfect quality, powerful bass and can enjoy unfettered stereo music anytime, 
anywhere when you are out.
Built in Lithium Battery, support rechargeable battery
Stereo audio transmission protocol
Support playing MP3 songs stored in the TF card
Support FM high definition channel radio function 

Specification:
Product name: R9 Bluetooth Speaker
Output power: 3W 
External magnetic speaker: 4Ω 3W
Size: 50*80mm
Shell material: Metal
Receiving distance:10 m and below
Operating Voltage: DC 5V
Charging Time: 0.5h
Playing Time: up to 2 hours
Product color: Black, rose gold, gold, silver
Functions: Bluetooth/TF card/ U-disk/ Handsfree/fm radio