‎:‎1‎.‎Mini design and simple operation‎.‎2‎.‎Good quality of voice‎,‎ give you the best feeling of the song‎.‎3.360 degree omni‎-directional sound‎.‎4‎.‎Suitable for car‎,‎ home‎,‎ office‎,‎ outdoor places‎,‎ etc‎.‎Functions‎:‎FM Radio‎,‎Built‎-in microphone‎,‎ support hand‎-free call‎,‎Support Micro SD‎(‎≤32GB‎)‎‎,‎ TF Card‎,‎Can be plugged the headphones as a MP3‎,‎Line in design‎,‎ can be connected with MP3‎,‎ MP4‎,‎ CD‎,‎ DVD‎,‎ Phone‎,‎ GPS‎,‎ PSP‎,‎Compatible with‎(‎Bluetooth‎)‎‎:‎ most of devices with Bluetooth‎,‎ such as Tablet‎,‎ Laptop‎,‎ Computer‎,‎ PSP‎,‎ TV‎,‎ etc‎.‎Specification‎:‎Bluetooth‎:‎ V3.0Speaker Effect‎:‎ BassTransmission Range‎:‎ ≤10mBattery‎:‎ Rechargeable Li‎-ion BatteryBattery Charging Voltage‎:‎ 5VBattery Charging Time‎:‎ 2 HoursLoudspeaker Output‎:‎ 3 WFrequency Response‎:‎ 100Hz‎-18KHzSignal to Noise‎:‎ S/N≥50dBDistortion‎:‎ ≤1%Audio Input‎:‎ 3.5mmSize‎:‎ 62mm x 62mm x 63mm/2.44‎"‎ x 2.44‎"‎ x 2.48‎"‎ ‎(‎Approx‎.‎‎)‎Compatible with‎:‎ most of devices with Bluetooth‎,‎ such as Tablet PC‎,‎ Laptop‎,‎ PSP‎,‎ TV‎,‎ Computer‎,‎ etc‎.‎