User's Manual

Product Model:P18S
Bluetooth Version: Bluetooth V5.3, compatible with
V4.2/V4.2 LE/V3.0/V2.1+EDR Systems
Bluetooth Protocol: Bluetooth V5.3
Frequency Range: 2400-2480MHZ
Modulation System: GFSK
Frequency Response Range: 20HZ-20KHZ
Crystal Oscillator Frequency: 24MHZ
CPU Frequency: domain frequency 160Mhz, 32 bit RISC
Internal Memory: Flash 4M
Operating Voltage: DC 2.2V-5.5V
Signal to Noise Ratio: ≥94dB
Effective Distance: 10m (without obstacles)
Sensitivity: 82dB
Nominal Impedance: 32Ω
Transmission Power: Class 2
Battery Capacity: 50mA
Charge Input: 5V /500mA
Charge Time: ca. 1h
Operation Time: calls 4-5h; playing music 3-4h;