i11 TWS True wireless Stereo earphones V.5.0 Mini Earbuds Touch Control Sport headphone Music Headset for All Smart Phone
Touch and popup window in IOS.(Not available in Android)
Auto-connect when you open the charging case.
Siri voice control
Impedance: 32 ohms
Bluetooth version: Bluetooth v5.0 + EDR
Power level: Level II
Output power: 30 MW
Bluetooth distance: 10 m barrier
Frequency response: 20Hz 20000
working voltage range: 3.0 V-4.2 V.
Microphone sensitivity: -42dB
with A2DP / AVRCP high quality stereo audio transmission and remote control protocol
powerful noise cancellation circuit (active noise reduction)
talk time is about 4 hours
music time is about 2-3 hours