Transistor

PRUNUS J-982 FM/AM Mini Pocket Radio with Headphones, Moveable Transistor Radio with Enhanced Bass, Operated by AAA Batteries for Strolling,Jogging and Tenting(Black)

Portable Audio & Video

WFGZQ Mini Radio, Moveable DSP Pocket Radio, AM FM Digital Transistor Radio Tuner, MP3 Music Participant, Help SD Card, Rechargeable Battery, LCD Backlight

Portable Audio & Video

Retro AM FM Transportable Radio Bluetooth Communicate, Battery Operated Radio by 2X D Cell Batteries Or AC Energy Classic Transistor Radio with Massive Speaker, Massive Knob for House and Outside

Portable Audio & Video

Piezoelectric Earphone Excessive Impedance Ceramic Earpiece Naked Wire Leads Transistor Crystal Radios & DIY Make Electronics Initiatives 20,000 (20k) Ohm Sensitivity Classic Basic Fashion Piezo Electrical

Headphones