*Product model: Ti2

*Bluetooth chip: Lanxun 8211

*Bluetooth version: v5.0

*Frequency range: 2.402ghz-2.480ghz

*Transmission distance: (barrier free) ≤ 10m

*Bluetooth protocol: HSP / HFP / A2DP / AVRCP

*Horn impedance: 32 Ω / Ф 8mm

*Earphone sensitivity: 106db

*Signal to noise ratio: ≥ 85dB

*Standby time: more than 100 hours

*Talk time: medium volume greater than 4 hours

*Headset battery: 40mA

*Battery of charging chamber: 200mA

*Touch button function:

3 seconds on, 5 seconds off

Long press right ear, next song, long press left ear up one song

Double click on the left and right ears for the last code dialing

Three hits left, right ear are wake-up voice assistant