Description JBL Pure Bass Sound The JBL Tune 720BT utilizes the renowned JBL Pure Bass sound, the same technology that powers the most famous venues all around the world. General Specifications Specification Details Activity Leisure Driver Size 40 mm Number of Microphones 1 Audio Specifications Specification Details Driver Sensitivity (1kHz/1mW) 101 dB Frequency Response Range 20 Hz – 20 kHz Impedance 32 ohms Dimensions & Weight Specification Details Audio Cable Length 0.7 ft / 0.2 m Ear Cup Depth 2.0 cm / 0.8 in Ear Cup External Height 7 cm / 3.6 in Ear Cup External Width 7.6 cm / 3.0 in Ear Cup Internal Height 5.4 cm / 2.1 in Ear Cup Internal Width 3.7 cm / 1.5 in Weight 220 g / 7.8 oz Control & Connection Specifications Specification Details Connection Type Wireless Connectivity Technology Bluetooth 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 Modulation GFSK, π/4-DQPSK, 8-DPSK Bluetooth Transmitter Power ≤ 10 dBm (E.I.R.P) Battery Specification Details Battery Life Up to 76 hours Charging Time 2 hours Maximum Play Time 76 hours Features Feature Availability Bluetooth Yes Wireless Yes Built-in Microphone Yes Hands-Free Calling Yes Multi-Point Connection Yes JBL Pure Bass Sound Yes JBL Headphone App Support Yes Foldable Design Yes Detachable Cable Yes Speed Charge Yes Voice Aware Yes Over-Ear Design Yes Rechargeable Battery Yes Water Resistant Yes Charging Cable Included Yes