•Bluetooth Version: 5.0
•Receiving Distance: ≥12 meters
•Working Frequency: 2.402GHz~2.480GHz
•Transmission Power: CLASS2, MAX4dbm
•Signal-to-Noise Ratio: -85dBV
•Distortion:
•Frequency Response: 20HZ – 20K HZ
•Speaker Specifications: Length 15mm * Width 6mm * H2.5mm BOX
•Speaker Impedance: 8±15%Ω
•Speaker Power: 0.5W, Max Short-term Power: 0.7W
•Charging Input Voltage: DC5±0.25V
•Battery Specifications: 3.7V/85mAh
•Working Voltage: 3.7V (3.3-4.2V)
•Charging Time: ≤2 hours
•Standby Current: ≤5uA
•Microphone Sensitivity: -42±3DB
•Low Voltage Alert: 3.0V
•Continuous Music Playback Time: Approximately 5 hours (at 80% volume)
•Working Current: ≤30mA (higher current at higher volume)