Divoom Bluetune On-Beat 200 Bluetooth Speaker for Smartphones for Smartphones - Retail Packaging - Orange Dimensions: 6.5L x 2.05W x 2.75H Weight: 1.19 lb.Driver size: 2 x 2 Output power: 4 W x 2 Frequency Response: 80-20000HzSignal-to-Noise Ratio: 75 dBPlayback Time: Up to 8 hoursBattery Capacity: 1500mAh Battery Voltage: 3.7 V Battery Charge Time: 3 hours Wireless Range: Up to 33 feetBluetooth Compliant: V4.0 Bluetooth Profile support: A2DP StereoTalk Time: Up to 8 hoursMicrophone Sensitivity: -36 d