... On 1 Battery Channel 16 Channel Max Volume New Wireless Mini Earpiece, Walkie Talkie VersionFeatures: Excellent audio quality, absence of the ... Channel Max Volume 93 @ 3kHz Wireless Earpiece: Dimension 3 x 5 x 7mm Max Volume Output 3 kHz 93 General Volume Output ... includes: 1 X Mini micro earpiece 1 X battery (LR521 or LR379) 1 X Full range walkie-talkie 1 x charger 1 X manual New Wireless ...