JBL Tune 520BT Pure Bass Wireless Headphones - Purple

No, all day.

JBL Tune 520BT headphones deliver powerful JBL Pure Bass sound thanks to the latest 5.3 BT technology.
Easy to use, these headphones provide up to 57 hours of pure enjoyment and an additional 3 hours of battery life with just 5 minutes of charging.
Download the free JBL Headphones app and adjust your sound with EQ, while Voice Prompts guide you through the headphones' functions.
Manage calls, sound and volume from the headphones, thanks to convenient button controls.
If you receive a call while watching a video on another device, the JBL Tune 520BT instantly connects to your mobile so you never miss a call.
Lightweight and comfortable even after hours of listening, the JBL Tune 520BT headphones fold into your backpack to be with you everywhere.

Driver Size: 33 mm / 1.30 “ Dynamic driver 

Power supply: 5 V 1 A
Weight: 157g / 0.35lbs
Headset battery type: Lithium-ion battery (3.7V / 450 mAh)
Charging time: 2 hours
Music playtime with BT on: up to 57 hrs
Frequency response: 20 Hz – 20kHz
Impedance: 30 ohms
Sensitivity: 102 dB SPL @ 1kHz 1mW
Maximum SPL: 95 dB
Microphone sensitivity: -29
dBV@1kHz/Pa
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 (EIRP)
Bluetooth transmitted modulation: GFSK, /4DQPSK, 8DPSK
Maximum operating temperature: 45 ° C
Ear Cup External Height (cm/in): 7.34/2.8897
Ear Cup External Width (cm/in): 7.34/2.8897
Ear Cup Internal Height (cm/in): 3.1/1.2205
Ear Cup Internal Width (cm/in): 3.1/1.2205
Ear Cup Depth (cm/in): 1.78/0.7008