... Equalizer OptionsBuilt in FM radio tuner with 30 channels presetsMemory:4G-8GEarphone output: THD+n=0.6%@ 32Ω,NR=92db@32 ... case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case,waterproof mp3 case, silicone ...