Multifunctional
Compatible with: Laptop,Mobile phone,MP3,MP4,MP5,PC,Tablet PC
Supports: Volume Control
Connection: Wired
Interface: 3.5mm Audio
Audio Source: Electronic Products with 3.5mm Plug
Material: Aluminum
Color: Black Power Output: 140mW x 4
Distortion: Less than 0.003percent Package weight: 0.461 kg
Product size (L x W x H): 13.00 x 7.00 x 2.50 cm / 5.12 x 2.76 x 0.98 inches
Package size (L x W x H): 20.00 x 18.00 x 5.50 cm / 7.87 x 7.09 x 2.17 inches Package Contents: 1 x A929 High-power Headphone Amplifier, 1 x 100 - 240V Power Adapter(DC 24V) US Standard 100CM, 1 x 3.5mm - 3.5 mm High-quality Audio Cable(100CM), 1 x 6.35mm - 3.5mm Audio Cable 
