Color: white, black, red, rose gold, luxury gold (optional)
Size: 4.7 * 2 * 2.2cm
Suitable for all phones and smart devices with bluetooth function
Program: For Jieli
Bluetooth version: 4.1 + EDR
Protocol mode: AVRCP (for music playing), HFP (for answering / hanging up calls)
Prompt tone: included (open the bluetooth mode, double click on the on/off key for switching)
Transmission frequency: 2.4GHz
Bluetooth effective distance: 10m (under barrier-free condition)
One pull two: supported
Battery: 50mAh (built-in lithium battery)
Input voltage: DC 5V (USB cable charging)
Charging time: about 2 hours
Using time: about 3 hours
Key function: on / off, pause / play, answer / hang up calls
Bluetooth connection: long press the power button for 5 seconds, enter the bluetooth mode, then use your mobile phone to search connection.
Compatible with all bluetooth-enabled devices.
Portable lightweight and cordless design, suitable for outdoor sports use.
Fast and convenient charging via USB.