sound quality, the sound will fully fill the room.
[Hands-free Call]
Hands-free calling function setts your hands and ears free.With built-in HD microphone, it performs outstanding sound quality when answering calls.
[Endurance Time]
With build-in high capacity rechargeable 450mAh batttery, it provides 4 hours of working time.Powered by the included Micro USB port.
[Portable Design]
Portable, Light-weight, Pocket-sized, this Bluetooth speaker allows you to take it anywhere, like climbing,hiking,driving and more.

Specifications:
Brand Name: AEC
Model: BT209
Color: Black, Silver (Optional)
BT Version: 4.2
BT Profiles: A2DP, AVRCP, HFP, HSP
BT Communication Range: About 10m, (without obstacles)
Wireless Output: Class2: +4dBm (-6 ～ +4dBm)
Wireless Band: ISM Band: 2.402-2.480GHz
Password: 0000
Battery:
Battery Type: Lithium Polymer Battery
Capacity: 3.7v 450mAh, 1.67w
Battery Life: Cycle Charge 500 Times
Working Time: About 4 hours Calls & Music (middle volume)
Charge Time: About 2 Hours
Horn-speaker:
Speaker Size: 32mm × 1
Speaker Impedance: 4ohm
Output: 5W × 1
Frequency Response: 200Hz ～ 20,000Hz
Sensitivity: 95dBm
Distortion: ＜ 5%
Speaker:
Microphone Sensitivity: -45db
Standby Current: ＜ 1mA
Consumption: 42mA＜I＜500mA;0.15 W＜P＜1.85 W
Charge Port: Micro USB, DC5V
Product Size: 91 * 47 * 20mm / 3.58 * 1.85 * 0.79in
Product Weight: 81g / 2.86oz
Material: Aluminum, ABS, PU leather, Metal Cover
Package Size: 11.4 * 11.4 * 3.5cm / 4.49 * 4.49 * 1.38in  
Package Weight: 143.2g / 5.05oz

Package List:
1 * Speaker
1 * USB Cable
1 * Sling
1 * User Manual (English / Chinese)