Features:LED colorful lights flash, Bluetooth wireless playback, FM radio, TF card.Spescification:Bluetooth version: Bluetooth Bluetooth 2.1Speaker: A brand new 40mmPower: 4 3WMaterial: ABS housing.Adjustment method: button.Working voltage DC3.7V-4.2VPower supply: high quality A product new dual protection lithium battery (3.7V 400 mAh)Play time: medium volume 2-3 hours or soPower time: 2 hoursCharging voltage: limit voltage DC5VElectric current: DC500-1000MASignal to noise ratio: >80DBFrequency: 90Hz-20KHzColor:White,Blue,Yellow,Black,Green,Rose RedSize:52*58mmPackage includes:1* Sport Stereo Headset
LED colorful lights flash, Bluetooth wireless playback, FM radio, TF card.
