Fiio E3

?Designed for high impendence and low sensitivity headphones, with bass boost function;
?Small and easy to carry and use in the outdoors;
?Increase your music player's play time;
?Uses only one AAA battery, for 20 hours playtime.

Specification

?Output Power:
70 mW (32 ohms Loaded)
12 mW (300 ohms Loaded)
?Signal to Noise Ratio:
?90 dB (A Weight)
?Distortion:
?0.05% (10 mW)
?Frequency Response:
10 Hz - 40 kHz
?Suitable Headphone Impedance:
16 ohms - 300 ohms
?Power Supply:
1pcs AAA size battery
?Dimensions:
55mmx23mmx14.5mm
?Weight:11g(Battery not included)