specification:Bluetooth version: BluetoothV 4.2
Speaker: 5 WX 2
Microphone: Hands-free microphone
Material: ABS plastic
Matching area: Up to 10 meters in barrier-free conditions
Input voltage: DC-5V / 1.5 A
Battery capacity: 1200 mAh
Charging time: About 2.5 hours
Playing time: About 8 hours
Package Included:
1 NBY 5540 Bluetooth speaker
1 * AUX audio cable
1 * USB charging cable

1 *User Manual