Bluetooth version: 5.2
Sensing distance: 10-15 meters
Play time: 3-4 hours
Intelligent noise reduction: Yes
Standby time: 6 hours
Earphone charging: 1 hour
Charging of storage box: 1-2 hours
Charging compartment capacity: 350mah, headphones 35mah (full amount)
1 * A pair of headphones
1 * Charging case
1 * USB charging cable
1) Can support both IOS and Android devices, as well as any device that has bluetooth connect (laptop etc.)
2) Very short latency. Almost no delay for sound transmission from device.
3) Quick connect. pro4 connects in less than 2 seconds upon turning on Bluetooth connection.
4) Good battery life. Can use up to 4 hours continuously. A full charge for charging case can last for a whole day usage.
5) Supports touch and gestures.
a) Left Double Tap will trigger SIRI.
b) Right Double Tap will pause/play music.
c) Right Triple Tap will play next song/video.
d) Ear sensor. Removing any side of the earpiece will pause music/video auto