Features: - Portable, Wireless & High-Powered Tube Boom Box - 2.1 Channel Hi-Fi Active Stereo System Design - Bluetooth Music Streaming Ability - Built-in Rechargeable Battery - Digital Sound Amplifier - FM Radio with Auto-Tuning - Micro SD Memory Card Reader - MP3 Digital Audio File Compatibility - Aux 3.5mm Input Jack - Ability to Connect External Devices - Side Panel Button Control Center - Convenient Carry Strap for Portability - Full Range Stereo Sound Reproduction - Ported Enclosure Design for Impressive Bass Response Bluetooth Connectivity: - Instantly Stream Music from Your Devices - Works with All Your Favorite Bluetooth Devices - iPhone, Android, Smartphone, iPad, Tablet, PC, etc. - Bluetooth Version: 2.1, A2DP - Bluetooth Network Name: 'PyleUSA' - Wireless Range: Over 30'+ Feet What's in the Box: - Wireless Tube Speaker - USB Charging Cable - Audio Connection Cable Technical Specs: - MAX Power Output: 50 Watt - Sound System: Dual 1.5'' Mid-Ranges + 3'' Subwoofer - Rechargeable Battery: 3.7V Li-iOn, 1800mAh - Impedance: 4 Ohm - Signal/Noise Ratio: >82dB - Frequency Response: 100-20kHz - Housing Construction Material: Engineered ABS - Power: DC, 5V/1A - Dimensions L x W x H: 14.6'' x 4.2'' x 4.7''