JBL TUNE 520 BT headphones (white, wireless, on-ear)

Power Required charging power (max): 5 W Required charging power (min): 2.5 W USB Type-C charging port: Yes USB Power: No Weight and dimensions Product weight: 178 g Product width: 49 mm Product depth: 207 mm Product height: 225 mm Working conditions Temperature range (operation): 0 - 45 °C Efficiency Product color: White Headset type: Stereo Product type: Headset Wearing style: Headband Control Type: Buttons Application: Gaming Works with Google Assistant: Yes Packaging data Package width: 54 mm Package height: 250 mm Weight with packaging: 377 g Packaging type: Hanging box Packaging depth: 230 mm Package contents AC adapter: No Cables: USB Type-C Ports and interfaces Frequency band: 2.4 - 2.435 GHz Bluetooth: Yes Connection method: Wireless Bluetooth version: 5.3 USB connection: Yes USB connector: USB Type-C Bluetooth profiles HFP A2DP AVRCP Battery Supported battery type: Built-in Battery type: Lithium-ion (Li-Ion) Battery powered: Yes Music playback time: 57 h Input voltage (headphones): 3.7 V Battery capacity: 450 mAh Logistics data Product code: 8518300090 Microphone Microphone type: Built-in microphone Safety warning Warnings Check the condition of the batteries regularly to prevent leakage. Keep away from children. Do not use near sources of heat or fire. Headphones Headphone sensitivity: 102 dB Speaker diameter: 3.3 cm Frequency response: 20 - 20000 Hz Impedance: 30 Ω Headphone construction: Circumaural Driver Type: Dynamic Supplier Features Charging time: 120 min Battery life: 3420 min