JE-32 4 Bands EQ Tuner and Metronome (Patent)
Package:
1.1pcs EQ
2.9v 6F22  Battery 1piece

Features:
⊙Tolerance: ±1
  ⊙Weight:75g
  ⊙Dimension: 60(L)×52(H)×50(W)mm
  ⊙Power:9v 6F22  Battery 1piece
  -----EQ-----
  ⊙Input Resistor:10 MΩ
  ⊙Adjust Range:(Bass)±12dB at 60HZ
                            (Middle)±12dB at 500HZ
                            (Treble)±12dB at 3KHZ
                            (Presto)±12dB at 10KHZ
  ⊙Low voltage alarm
  -----Metronome-----
  ⊙Beat:0.1.2.3.4.5.6.7.8.9
  ⊙Rhythm:
  ⊙Tempo:30-250 bpm
  -----Tuner-----
  ⊙Flat tuning options:b,bb
  ⊙A4 frequency:410-450Hz
  ⊙Tuning range:1Eb-8C