NUBWO NTW4 True Wireless Studio Earbuds
Bluetooth Version : 5.3
Frequency Response : 20Hz-20kHz
Sensitivity : 104dB ±3dB
Impedance : 16Ω ±15%
Bluetooth Frequency : 2.402Ghz - 2.485Ghz
Transmission Distance : up to 10 meters
Earphone Battery : 30 mAh
Charging Box Battery : 200 mAh (Charge up to 3 times)
Charging Support : USB Type-C
Supports : iOS / Android / Windows