Smartbuy Mini Bluetooth Speakers SBS-3100,SBS-3110,SBS-3120,SBS-3130,SBS-3140,SBS-3200,SBS-3210,SBS-3220,SBS-3230

Product Name: Bluetooth Speakers
Bluetooth version: Bluetooth V2.1 + EDR
The horn size: 50mm
Distortion rate: 83 +/- 3dB
Speaker Impedance: 4 ohms +/- 5%
Sensitivity: 50Hz - 180KHz
Battery capacity: 600 mah
Battery type: lithium ion
Effective power: 3.5 watts
Playing time: about 5 hours
Charging time: about 4 hours