JBL 500BT Wireless Bluetooth Over-the-Ear Headphones, Blue

General Specifications Bluetooth version: 4.1 Ear cushion material: PU leather Driver size (mm): 32.0 Driver sensitivity at 1kHz/1mW (dB): 1kHz - 24dBV/Pa Dynamic frequency response range (Hz): 20 Hz - 20 kHz Impedance (ohms): 32.0 Number of drivers per ear: 1.0 Battery Type: Lithium-ion Polymer (3.7V, 300mAH) Charging time (hours from empty): 2 Maximum music play time with ANC off (hours): 16.0 Maximum play time (hours): 16.0 Speed Charging time (hours): 2.0 Maximum talk time (hours): 16.0 Features Bixby: No Built-in Microphone: Yes Flat-fold design: Yes Hands Free Call: Yes JBL Pure Bass Sound: Yes Multi-Point Connection: Yes On-ear: Yes Rechargable battery: Yes Remote control on ear cups: Yes Siri/ Google Now: Yes Speed charge: No Wireless: Yes What's in the Box TUNE500BT 1 x Charging Cable 1 x Warranty/Warning 1 x QSG/Safety Sheet