JBL TUNE 520BT Enjoy Unrestricted Freedom with Bluetooth® Headphones & Headsets

KEY SPECIFICATIONS TECHNICAL SPECIFICATIONS Power supply: 5 V, 1 A Frequency response: 20 Hz – 20 kHz Impedance: 30 ohm Sensitivity: 102 dB SPL@ 1kHz 1mW Maximum SPL: 95 dB Microphone sensitivity: -40 dBV@1kHz/Pa Maximum operation temperature: 45 °C Headset battery type: Lithium-ion battery (3.7V / 450 mAh) Charging time: 2 hrs Music playtime with BT on: up to 57 hrs WIRELESS SPECIFICATIONS Bluetooth transmitter modulation: GFSK, π/4-DQPSK, 8-DPSK Bluetooth version: 5.3 Bluetooth profile version: HFP 1.7.2, AVRCP 1.6.2, A2DP 1.3.2 Bluetooth transmitter frequency range: 2.4 GHz – 2.4835 GHz Bluetooth transmitted power: 6 dBm (E.I.R.P) DIMENSION SPECIFICATIONS Driver size: 33mm / 1.30" Dynamic driver Headphone Cable Length (m): 1.2 Headphone Cable Length (ft): 3.937 Ear Cup External Height (cm): 7.34 Ear Cup External Height (in): 2.8897 Ear Cup External Width (cm): 7.34 Ear Cup External Width (in): 2.8897 Ear Cup Internal Height (cm): 3.1 Ear Cup Internal Height (in): 1.2205 Ear Cup Internal Width (cm): 3.1 Ear Cup Internal Width (in): 1.2205 Ear Cup Depth (cm): 1.78 Ear Cup Depth (in): 0.7008