Bluetooth Speaker

1. Two pieces of 40MM 3W drivers deliver massive and rich sound
2. Large speaker cavity inside for excellent sound effect
3. Passive subwoofer inside delivers outstanding bass                                                                                                                                                                
4. Built-in microphone for hands-free phone call
5. Six buttons for controlling tracks on phone wirelessly
6. SIRI function can be actived by pressing a button on the speaker
7. Battery status can be displayed on iPhone
8. Low battery warning when battery power is low
9. Easy connect to phones or other Bluetooth devices
10. Can be used as a wired speaker 

Bluetooth version: V2.1+EDR
Dimension: 180*80*80MM mm
Weight:
Speaker driver: 40mm,4Ohm
Speaker output: 3W*2
Battery life : 10-12hours               
Battery charging time: 4hours
Battery capacity: 450mAh
Bluetooth transmission distance: 10M