JBL Tune 520BT Wireless On-Ear Headphones - Mobopro1-Black

Driver size (mm): 33 Number of Microphones: 1 Driver sensitivity at 1kHz/1mW (dB): 102 dB SPL@ 1kHz 1mW Dynamic frequency response range (Hz): 20 Hz – 20 kHz Impedance (ohms): 30 Bluetooth version: 5.3 Bluetooth profiles: HFP 1.7.2, AVRCP 1.6.2, A2DP 1.3.2 Bluetooth frequency: 2.4 GHz – 2.4835 GHz Bluetooth transmitted modulation: GFSK, π/4-DQPSK, 8-DPSK Bluetooth transmitter power: 6 dBm (E.I.R.P)