bluetooth mini speaker

Shaple like cast bluetooth speaker

1, Name: Bluetooth Speaker 
2, rated power: 3w 
3, SNR: ≥ 80db 
4, Frequency range: 20Hz-15KHz 
5, Power: USB powered, built-in battery (500Mah) 
6, Playback Formats: MP3 
7, Bluetooth, support TF card 
8, the sound quality excellence. Light and compact. Flexible multi-purpose. Speakers hand in hand 
9 to provide the best stereo sound 
10, noise suppression microphone 
11, providing superior fidelity sound 
12, passive radiator subwoofer 
13, use the included micro-USB charging cable for charging 
14, play time up to 5 hours of rechargeable batteries 
15, the effective distance is 33 Bluetooth feet (10 meters) 
16, cable: with a standard 3.5 mm headphone jack devices