Specification: * Bluetooth Clock night vision large screen display/FM/Mp3/Alarm/AUX
* Support V4.2+EDR bluetooth standard
* Speakers: 40mm full range speaker + Passive vibration film
* Impedance: 4Ω
* Operating distance: 10 meters
* Output power: 3W
* Power supply: 5V 1A
* Battery: 3.7V 1200mAh Lithium battery
* Music playing time: 4-6 hours
* Clock using:about 42 Hours
* Standy time: About 10000Hours
* Charging time: About 4 hours
