1. Driver: 15mm

    2. Impedance: 32 OHM

    3. Bluetooth version: Bluetooth v5.0 + EDR

    4. Bluetooth use band: 2.4GHz

    5. Power level: CLASS II

    6. Output power: 30mW

    7. Bluetooth distance: 10 meters barrier

    8. Frequency response: 20-20000Hz

    9. Operating voltage range: 3.0V-4.2V

    10. Mic sensitivity: -42dB

    11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol

    12. Powerful noise de-noising circuit (active noise reduction)

    13. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)

    14. Talk time is about 2-3 hours

    15. music time about 1.5-2 hours

    16. Standby time is about 100 hours

 

  Package Includes:

    2 x i7s tws bluetooth earphones (left and right earphones)

    1 x Charging box

    1 x USB Charging Cable

    1 x User Manual