Immaculate Bass The JBL Tune 520BT is powered by JBL Pure Bass. Long-lasting Battery Enjoy up to 57 hours of playtime with the JBL Tune 520BT, recharge in 2 hours and if you’re in a rush, get up to 3 hours of playtime with a 5-minute charge. What's in the box? 1 x JBL Tune 520BT headphones 1 x USB-C Charging Cable 1 x Warranty/Warning 1 x Quick Start Guide Technical Specifications Driver size (mm) 33 Number of Microphones 1 Audio Specifications Driver sensitivity at 1kHz/1mW (dB) 102 dB SPL@ 1kHz 1mW Dynamic frequency response range (Hz) 20 Hz – 20 kHz Impedance (ohms) 30 Dimensions Audio Cable Length (ft) 0.7 Audio Cable Length (m) 0.2 Ear Cup Depth (cm) 1.7 Ear Cup Depth (in) 0.7 Ear Cup External Height (cm) 3.2 Ear Cup External Height (in) 1.3 Ear Cup External Width (cm) 7.3 Ear Cup External Width (in) 2.9 Ear Cup Internal Height (cm) 3.2 Ear Cup Internal Height (in) 1.3 Ear Cup Internal Width (cm) 3.2 Ear Cup Internal Width (in) 1.3 Weight (g) 157 Weight (oz) 5.54 Control and Connection Specifications 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) Bluetooth version 5.3 Battery Charging time (hours from empty) 2 Maximum play time (hours) 57 Features Bluetooth Yes Charging cable Yes Foldable Yes Voice Assistant integration No Built-in Microphone Yes Hands Free Call Yes JBL Headphone App Yes JBL Pure Bass Sound Yes Multi-Point Connection Yes On-ear Yes Rechargable battery Yes Speed charge Yes Voice Aware Yes Wireless Yes
