E13 Portable wireless Bluetooth Speaker Stereo Speakerphone Radio Music center Subwoofer Column Speakers for Computer withTF FM DescriptionSpecifications: Output Power: 5W*2 Bluetooth version: 4.2 Bluetooth range: 10M Signal to noise ratio: ?80 Operating Voltage:DC 5V battery capacity: 1200mah Product Size: 230*85*88mm Color: Black, red, blue,camouflage Features: Stereo sound, bass surging Support MP3, WMA format music files Support TF card, Bluetooth with call, file playback Automatically search for Bluetooth, 10M and below receiving distance Support external MP3 / MP4 / computer and other audio input function (AUX) Configure high-end low-frequency configuration with a high real shock wave Package contains: 1 x Wireless Bluetooth Speaker 1 x USB Cable 1 x Speaker rope