• Brand: Mai Mi Model: HL3
• Function: Call function
• Bluetooth version: 4.2
• Color classification: Black red
• Package type: Official standard headset
• category: Active noise reduction headset
• Usage: In-ear transmission
• radius : Whether 10m is single or double
• ear: unilateral hands-free smart
• type: other intelligent standby
• time: 18 days transmission
• radius: 10m between the left and right cavity of the earphone
• connection method: wireless connection earphone and playback device
• connection method: Bluetooth connection
  
• Name: Mai Mi HL3 invisible Bluetooth headset with touch buttons
  
• Model: HL2
  
• Bluetooth version: 4.2
  
• Frequency range: 2.4-2.48Ghz
  
• Transmission range: 10 meters
  
• Talk/music time: about 2-4 hours
  
• Standby time: about 100 hours
  
• Product packaging: boxed
  
• Product weight: 0.102kg
  
• Packing size: 112*196*29mm
  
• Product features: mini compact shape, ergonomics, comfortable in-ear ears, stereo high-fidelity speakers, low power consumption and stable Bluetooth 4.2, transmission range of 10 wireless reception, large-capacity built-in battery, sustainable talk time of about 2-4 hours, light weight , Easy to carry.
  
• Instructions:
  1: Power on Touch the maimi logo for 2-3 seconds and the green light will turn on to prompt you to boot;
  2. Connection: continuous contact after power on, the green light is on for 3-5 seconds, enter the pairing state, and can be connected with the mobile phone, after the connection is successful, the green indicator light is off, you can use
  3. To answer and hang up the phone, just touch the logo, press and hold the volume up and down keys simultaneously for 2-3 seconds to switch between Chinese and English;
  4. Shutdown: Touch the logo for 2-5 seconds in the power-on state to prompt shutdown and disconnect