(1). LED indicates status
• Pairing status: red and blue lights flash alternately
• Pairing is successful: all indicators are off
• Team status: blue light flashes slowly
(2). Key function operation
• Power on: Long press the multi-function button for about 3 seconds to power on
• Power off: Long press the multi-function button for about 3 seconds to power off
• Answering/hanging up: short press the multi-function button to answer and hang up the incoming call
• Incoming call rejection: when a call comes in, quickly double-touch the multi-function button to release it to reject the call
Short press on the side button is for volume increase and decrease, long press for song selection function.

Charging input voltage range: 4.8-5.2V
Battery charging saturation voltage: 4.2V
Battery charging saturation time: about 2 hours
Low battery warning voltage: 3.3V
Low power shutdown voltage: 3.1V
Shutdown quiescent current: 5.3uA
Connected standby current: 0.4MA (about 30 seconds after the music is paused)
Talking current: 10MA
Playing music current: 8-15MA: 6-12MA (according to the actual music size)
Talk time: about 10 hours
Playing time: about 10 hours (80% volume)
Boot standby time: about 40 hours
Battery capacity and specifications: 110MA 501030