Features: - Love your music forever with the Infinity Series Bluetooth Speaker - Switch from Aux in, microSD Card, FM Radio and Bluetooth modes - When the bluetooth speaker is paired to your mobile phone, you can reject or answer a call and use the speaker as a hands-free device - The speaker will remember the last device it was paired to for easier connections everytime you turn it on Compatible with: - Mobile Phones, Tablets, Computers, MP3 Players and any device that has a 3.5mm audio output or Bluetooth audio playback. Specifications: - Battery Cell: Rechargeable Lithium Battery 3.7v 1000mAh - Charging Time: 3-4 Hours - Playback Time: Up to 3 Hours - Transmission Distance: 10m - Bluetooth Version: 2.1 - Speaker Power: 2x 3W/4 ohms - Sound to Noise Ratio: 80dB - TF / Micro SD Card Reader - Radio Function What's in the box 1 x Speaker