Zalman ZM-S500 Portable Rechargeable Versatile Stone Speaker

General Features:

• Compact design, Enjoy your music anytime anywhere
• Easy recharging with USB
• Use 3.5mm cable to enjoy music on the portable devices with high quality powerful speaker
• Use the internal buttons to play the music and adjust the volume
• Special acoustic design structure that lets air compress and expand to release energy
• Features real-time tracking volume compensation This simply means that when you reduce the volume, you can still experience a good resonating sound at a low frequency level
• Play music through micro SD (under 8gb) that supports MP3, MP4 format without any external devices
• High quality Aluminium case and Water-resistant designed for safer use
• Non-skid pad, keeps it stable even on the slippery glass surface

Specifications:

• Built-in Lithium battery voltage: 3.7V
• Frequency response: 60Hz - 18KHz
• Lithium battery capacity: 400mAh
• SNR(Signal to Noise Ratio): ≥ 95dB
• Recharging voltage: 5V
• Distortion degree: ≤ 0.5%
• Horn specification: 40mm 2.6Ω 3W

Unit Dimensions:

• 1.97 x 2.36 x 2.36-inches (H x W x D)
• Weight: 0.5 lbs.

Package Includes:

• Zalman ZM-S500 Portable Rechargeable Versatile Stone Speaker
• 3.5mm auxiliary cable
• Micro USB cable
• User Manual