Product Description:
<br />Type: Bluetooth speaker
<br />Connection: Bluetooth connection
<br />Interface Type: USB
<br />Battery capacity: 1500 mAh
<br />Frequency response range: 100HZ-20KHZ
<br />Output power: 5W
<br />Signal to noise ratio:   75dB
<br />Frequency: 2.402-2.480GHz
<br />Maximum output power: 3W * 2
<br />MIC sensitivity: -32db
<br />Sensitivity: Better than -82dBm
<br />Distance: 10-30meters
<br />Charging voltage: 3.7V -4.2V DC
<br />Operating voltage: 4.8V -5.5V DC
<br />Working current: 150MA
<br />Quiescent current:> 1UA
<br />Battery: 500Mah
<br />Channel: 2
<br />Duration: 2.5
<br />Extended Storage: 32GB
<br />Bluetooth protocol: 3.0
<br />Number of speakers: 1
<br />Effective distance: 10 meters
<br />Function: voice prompt, card, radio
<br />Mode of operation: key
<br />Playback format: MP3
<br />Shell material: plastic
<br />Supported formats: TF card
<br />Speaker adjustment mode: key
<br />Is there a radio function: Yes
<br />Box material: plastic
<br />Dimensions: 32mm
<br />Power supply: USB
<br />Color: blue, black, red, green,white,orange
<br />Note:
<br />1.Due to the light and screen differences,the item' color may be slightly 
<br />different from the picture. please understand. make sure you don't mind 
<br />before you did
<br />2.please allow 1-3mm differences due to manual measurement.
<br />David Make eek