Mini bluetooth headset
Characteristics
Model: JI002
Bluetooth Version: V5.0
Speaker impedance: 32Ω/Ф10mm
Reception sensitivity: 106 dB
Maximum operating distance: 10 meters
Audio signal-to-noise ratio: ≥90 dB
Frequency Response: 2.402 GHz-2.480 GHz
Built-in battery: 40mAh
Talking/music time: 4 hours
Charging time: 40 minutes
Supports wireless protocol: HSP/HFP/A2DP/AVRCP

Button functions
Power on: Long press the multi-function button for about 2 seconds to power on
Power off: Long press the multi-function button for about 3 seconds to power off
Pairing Mode: Long press the multi-function button for about 5 seconds to enter pairing state
Answer/hang up: press the key
Call rejection: When a call comes in, press and hold for 2 seconds
Redial the last number: Double-click the button
Play/Pause: Click the button
Voice mode: Press and hold for 2 seconds
Device name for bluetooth pairing: JKD-NM
Switch between Chinese and English: Double-click twice to switch between Chinese and English when pairing