Product information:

Transmission range: 10 meters
Function: Support music
Bluetooth protocol: 5.0
Channel: stereo
How to use: earplug style
Single or dual ear: bilateral stereo
Color: black, silver, red
Bluetooth chip and Bluetooth version: WT200U low-power core 5.0
Power Input: 3.2V-4.2V
Output: 30mW
Load condition (Load): 32Ω /φ8
Rated power (Power): 74mW
Headphone battery: single side 50ma
Charging box battery: 300ma
Charging power: earphone 5V/120ma, charging box 5V/320ma
Transmission distance: 10 meters
Frequency: 2.4GHz-2.48GHz
Talk time: up to 4 hours
Listening time: up to 4 hours
Standby time: about 150h
Single earphone weight: 6g; charging box weight: 44g

Packing list:

Plastic earphone*1