K99 bluetooth Portable Wireless Speaker 3D Sound Lossless Decoding Music Subwoofer Support AUX FM TF Microphone Remote C

Specification Name K99 Wireless Portable Bluetooth SpeakerOutput power 7WFrequency response 60HZ 20KHZInput impedent 10K ohmKnob control master volume MIC VOL MIC reverberationSpeaker impedent 4ohmSize 210x 130x10mmBuilt in battery capacity 3600mah theority capacity Functions Bluetooth connection TF SD card FM radio U disk AUX in Line inFeatures 1 Use the newest chip decoded2 Two power model DC 5V or lithium battery3 Support karaoke record and repeat play4 Suit to personal computer MP3 MP4 equipment of sound sources that has 3 5mm aux output and smart phones that have bluetooth enable function5 Support recording and repeat playback functionsPackage list 1 x K99 Wireless Portable Bluetooth Speaker1 x Charging Data Line1 x 3 5mm Audio Line1 x 1m shoulder strap1 x Users Manual