The IR-210BT-2 (containing 2 pieces) is an AA nickel metal hydride (Ni-MH) rechargeable battery pack designed for exclusive use with the infrared wireless microphones. Associated products: TOA IR-200M, IR-300M and IR-310M infrared wireless microphones. Dimensions: Ø14.5 x 50.5 mm

• Nominal Voltage: 1.2 V DC
• Capacity: Min. 2400 mAh
• Operating Temperature: 0 °C to +40 °C (32 °F to 104 °F)
• Operating Humidity: 30 % to 85 % RH (no condensation)