Bluetooth protocol: 4.2
Channel: Stereo
How to use: Earbuds
Color: black, white, purple, red

size：60cm

Bluetooth button description

1. Power on/off/telephone/pause/play

2. Volume plus button / next button

3. Volume down button / previous song

4. Microphone hole

5. USB charging port

Bluetooth parameter description

Frequency range: 20-20KHZ

Sensitivity: 95DM

Impedance: 32 ohms

Speaker size: 32mm

Transmission distance: CLASSII

Operating range: 10M

Charging time: 2H

Length of use: 6-8H (70% power)

Battery: 180mA polymer lithium battery

Accessories: data line + manual

Bluetooth protocol: 4.2

Bluetooth search name: BT-01