Promotional Wireless Stereo Mini Bluetooth Speaker

Features:
1.Built-in Bluetooth wireless transmission, call hands-free function.Simply connect your smartphone, tablet and other devices to the speaker via Bluetooth.
2. Thanks to the integrated USB port and TFcard slot, you can listen to your music anytime and anywhere from your USB stick or TF card.
3. Supports all external 3.5mm terminals audio input.Support FM auto search station.
4. Compact size lets you easily move it about from room to room.Fit your home, office, ect.

Specifications:
Signal to noise ratio: ≥ 84dB
Sensitivity: 80db+2db
Output power: 5W x 1
Magnetic speaker: 4Ω 5W 40MM
Input voltage: DC 5V 500mAh
Working voltage: 3 to 5.5V
Battery Capacity: 300mAh
Playing time: 3-4 H
Charming time: 120min
Shell material: PC+ABS

Package Included:
1 x Bluetooth Speaker
1 x USB Charging Cable