KORG's in-ear metronome IE-1M, with a convenient carrying case. - Brand: KORG - Model Name: IE-1M - Type: In-Ear Metronome - Accessories: Case Thank you for viewing. Fits directly in your ear. An ultra-compact in-ear metronome perfect for individual practice. The In-EarMetronome is an ultra-compact metronome that you wear in your ear like an earphone. You can hear the metronome sound directly in your ear without being drowned out by the surrounding sounds, making it ideal for individual practice of musical instruments. It offers a variety of beat/rhythm variations and has a compact yet comprehensive metronome function. The tempo can be adjusted smoothly with the jog switch, and the unique fitting mechanism ensures a secure hold in your ear. Practice your instrument by listening to the rhythm directly in your ear. Abundant beat/rhythm variations. Intuitive tempo setting with the jog switch. Fits various ear shapes. Achieves a high level of hold. Long battery life, memory backup function. Includes ear pads and a carrying case. Also ideal for jogging and walking. Specifications: Tempo Range: 30 - 252 bpm Beat Settings: 0 - 9 beats Rhythm Settings: Quarter note, duplet, triplet, triplet (omit middle), triplet (omit last), quadruplet, quadruplet (omit middle), quadruplet (omit last) Volume Settings: 2 levels Tempo Accuracy: ±0.1% Speaker: Φ12mm piezoelectric speaker Switches: Power button, mode button, jog switch Display Mode: Tempo, beat, rhythm, volume Power: CR2032 lithium battery (3V) Battery Life: Approximately 200 hours (when used continuously at tempo 120, 4 beats, quarter note rhythm, and low volume) Dimensions: 49 (W) x 22 (D) x 22 (H) mm Weight: Approximately 9 g (including battery) Earphone Diameter: 16 mm Included Accessories: CR2032 lithium battery (3V) for operation check, ear pads, carrying case