Codecs: Apt-X HD
Support Memory Card: No
With Microphone: Yes
Model Number: Original i7s TWS Mini Wireless Headphone
Resistance: 32Ω
Frequency Response Range: 8-25000Hz
Sensitivity: 123dB
Bluetooth version: 5.0
Charge the headset: 30-40 minutes
Charging tank charging time: about 1 hour
Headphone playback time: 2-3 hours
Bluetooth distance: 8-18 m