True Wireless 5.2 Bluetooth Earbugs HiFi Stereo Sound with LED Digital Display

Bluetooth Version: Bluetooth V5.2
Communication Distance: 20-30 feets
Color: Black/White
Size: 3.54" x1.18" x 1.18"(L x W x H)
Built-in touch sensor button on the earbuds
Remaining power of the earbuds display on the charging case

Charging Case:
Capacity: 300mAh

Earbuds:
Endurance Time: 3-4 hours (Each Charge)
Total Play Time: 50+ Hours
Communication Distance: 20-30 feets

Turn on/off:
Method 1: Take out the earbuds from the charging case, the earbuds will turn on automatically, and the led indicator will flash red & blue; put back the earbuds into the charging case, the earbuds will turn off automatically and start being charging.
Method 2: Touch and hold the touch sensor button(on the earbuds) for 2-3 seconds.

Pairing earbuds together(connect L & R):
1. Take out both earbuds from the charging case(or long touch the sensor button on both earbuds), they will turn on automatically and pair with each other. Once paired, the led indicator will flash red & blue quickly.
2. If pairing is unsuccessful, touch and hold the MF button on both earbuds for around 5 seconds simultaneously till the led indicator flash blue one time, then turn on both earbuds again at the same time, they will auto pair.

Pairing TWS earbuds with Bluetooth devices(smartphones, etc):
Activate the Bluetooth function on your mobile device, select the earbuds from the list of available Bluetooth devices. Click it to pair, once successful, the led indicator will be off.

Music Operation:
Previous track: short press the sensor button of the left earbud twice.
Next track: Short press the sensor button on the right earbud twice.
Increase volume: short press the sensor button of the left earbud 3 times.
Decrease volume: short press the sensor button of the right earbud 3 times.
Pause/Play: short press the sensor button of either earbud

Call operation:
Answer incoming call/End a call: short press the sensor button of either earbud.
Reject incoming call: shot press the sensor button of eighter earbud for 2 seconds and release.

Voice assistant(IOS only):
Activate the voice assistant: touch and hold the sensor button for 3s to activate Siri.