JBL Tune 720BT Wireless Over-Ear Headphones

JBL Pure Bass Sound Wireless Bluetooth 5.3 technology Customize your listening experience Driver size (mm): 40 Number of Microphones: 1 Driver sensitivity at 1kHz/1mW (dB): 101 Dynamic frequency response range (Hz): 20 Hz – 20 kHz Impedance (ohms): 32 Bluetooth version: 5.3 Bluetooth profiles: HFP v1.7.2, AVRCP v1.6.2, A2DP v1.3.2 Bluetooth frequency: 2.4 GHz – 2.4835 GHz Bluetooth transmitted modulation: GFSK, 4-DQPSK, 8-DPSK Bluetooth transmitter power: ≤ 10 dBm (E.I.R.P) Charging time (hours from empty): 2 Maximum play time (hours): 76 JBL One App: Yes Foldable: Yes Built-in Microphone:Yes Hands Free Call: Yes JBL Pure Bass Sound: Yes Multi-Point Connection: Yes Voice Aware: Yes Speed charge: Yes Bluetooth:Yes