TOUCHMATE Always Offers Innovative Products Like This Bluetooth Rechargeable & Portable Music Box  Speaker with Bluetooth Technology, waterproof, dustproof, shockproof rated IP67 for 100% protection against dust and water with rubberized finish rugged exterior for ultimate drop resistance. Built-In AUX-In Jack & Microphone. Music Box Lets You Stream Music From  Bluetooth-Enabled Wireless Devices Such As Smart-Phone, Mobile Phones Notebook, PC, iPhone, iPad Or Tablets and play Loudly & Wirelessly Anywhere. It is All-in-one Functions in Small Unit. 

•  Main Device Parameters

•  Output Power: 3W*2

•  Frequency Response: 120Hz-16kHz

•  RMS: (THD=10%)

•  Driver: 1.5"*2

•  Power Supply: USB, DC 5V 500mA

•  Distortion: <0.5%

•  S/N: >65dB

•  Battery Capacity: 2000mAh

•  Battery Play Time: 4—4.5 hours

•  Battery Charging Time: 4—4.5 hours