} Unitweigth:0.21g

} Outstanding audio frequency performance, with the bass,midandhigh frequency responses perfectly tuned.

} Smallsize, 5.16 x3.10 x 3.40 mm. Such smart size makes SZseriesmakereceiver designing a brisk.

} Highoutput, 101.0 dB SPL@1mW of sound sensitivity enoughtomeetdifferent user "listen" requirements.

} Highconversion efficiency extends battery standby timeby50% & above.

} DCimpedance type: 4 Ohm; 22 Ohm; 60 Ohm; 120 Ohm, 354Ohm.

} Excellentvocal call quality.

} Lowharmonic distortion levels, THD @ nominal drive <5%,THD @9dBhigh drive <10%.

} Lowelectromagnetic radiation, productrealizationOmni-directionalelectromagnetic radiation shielding,almost 0effect on the humanbody and other electronic devices

} Mechanical shock-resistant, waterproof, >14Kgresistancetomechanical shock, waterproof dip >1 m, a powerfulguaranteeforproducts in a variety of harsh conditions of use