JBL Tune 520 BT Wireless On-Ear Headphones Blue

Power Required charging power (min): 2.5 W Required charging power (max): 5 W USB Type-C charging port: Yes USB Power: No Weight and dimensions Product weight: 178 g Product height: 206 mm Product width: 49 mm Product depth: 218 mm Working conditions Temperature range (operation): 0 - 45 °C Efficiency Product color: Blue Built-in switch: Yes Control Type: Buttons Application: Calls/Music Product type: Headset Wearing style: Headband Foldable: Yes Adjustable headband: Yes Works with Google Assistant: Yes Headset type: Stereo Volume control: Button Packaging data Package width: 50 mm Package height: 207 mm Packaging type: Hanging box Weight with packaging: 377 g Package depth: 225 mm Package contents Cables: USB Type-C AC adapter: No Warranty card: Yes Quantity: 1 Ports and interfaces Bluetooth: Yes Connection method: Wireless Frequency band: 2.4 - 2.4835 GHz Bluetooth profiles A2DP HFP AVRCP Bluetooth version: 5.3 USB connector: USB Type-C Battery Input voltage (headphones): 3.7 V Battery capacity: 450 mAh Charging time: 2 hours Battery type: Lithium-ion (Li-Ion) Supported battery type: Built-in Charging source: USB Battery powered: Yes Music playback time: 57 h Microphone Number of built-in microphones: 1 Microphone type: Built-in microphone Safety warning Warnings Keep away from children. Check the condition of the batteries regularly to prevent leakage. Do not use near sources of heat or fire. Headphones Impedance: 30 Ω Frequency response: 20 - 20000 Hz Speaker diameter: 3.3 cm Headphone sensitivity: 102 dB Driver Type: Dynamic Headphone construction: Over-ear Supplier Features Battery life: 3420 min