1. Insert headset plug at top of pen
2. In-line volume control dial
3. In-line power On/Off switch
4. Features high fidelity stereo earbuds
5. One Touch Reset: Automatically returns the tuner to 88MHz
6. Includes 2 AG13 (LR44) button cell batteries and 2 replacements
7. Includes black ink cartridge and 1 blue refill. To replace ink cartridge, remove lower barrel by pulling straight down, then unscrew old cartridgeAuto-Seek Tuning: Each touch of the button locates a new FM station.
8. Auto-Seek technology locks in the best possible reception as you scan between 88MHz to 108MHz