Shure Sound Isolating Series - Battery Specifications (BT1;BT2); Battery Type and Voltage; Battery Life and Capacity; Charging Requirements and Time

Shure Incorporated
23/27
Battery Specifications
Battery Type
RMCE-BT1 Rechargeable Li-Ion
RMCE-BT2 Rechargeable Li-Ion
Nominal Voltage
RMCE-BT1 3.7 V DC
RMCE-BT2 3.7 V DC
Battery Life
RMCE-BT1 up to 8 hours
RMCE-BT2 up to 10 hours
Total Battery Life
RMCE-BT1 120 mAh
RMCE-BT2 200 mAh
Charging Requirements
USB Source
RMCE-BT1 5 V DC , 100 mA , minimum
RMCE-BT2 5 V DC , 100 mA , minimum
Charging Time
RMCE-BT1 2 hours
RMCE-BT2 2 hours
Quick Charge
RMCE-BT1
Up to 1.5 hours of play time with 15 minutes of
charge time
RMCE-BT2
Up to 1.5 hours of play time with 15 minutes of
charge time
Battery Charging Temperature Range
RMCE-BT1 0 to 45 °C (32 to 113 °F)
RMCE-BT2 0 to 45 °C (32 to 113 °F)
Headphone Amplifier Specifications
Output Noise
RMCE-BT1 8.5 uVrms
RMCE-BT2 2.2 uVrms