Specification :

� 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:
e90 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)