JBL Pure Bass sound, Hi-Res certified For over 75 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL sound, punching out bass that’s deep, powerful. Hi-Res Audio brings clear and detailed sound quality with a wide frequency range. Compatible with USB-C devices Need to connect to a PC, mobile or gaming device? USB-C connectivity ensures compatibility with a wide range of devices*. *Please check USB-C compatibility with your device. 3-button remote with microphone Control music playback and volume adjustment with a convenient three-button remote. Got an incoming call? Answer it on the fly with the built-in microphone. Features EQ presets control Select Default, Bass, or Vocal to find the sound that fits your taste via the 3-button remote on the wire. Tangle-free flat cable The durable flat cable won’t tangle up in knots, even in your bag. Specs Hi-Res Audio with JBL Pure Bass Sound. Now available to go. Introducing JBL Tune 305C USB-C earbud headphones. They’re lightweight, comfortable and compact. A pair of 12.5mm dynamic drivers punch out powerful JBL Pure Bass Sound, while the High-Resolution Audio support ensures great sound quality. A USB-C connection makes them compatible with a large variety of devices like PCs, mobiles, and gaming devices. In addition, the three-button remote on a tangle-free flat cable lets you control music playback and volume adjustment, EQ presets, as well as answering calls on the fly with a built-in microphone. All this makes the JBL Tune 305C USB-C your everyday companion, at work, at home, and on the road. Audio Specifications Frequency response 20 Hz – 40 kHz Impedance 32ohm Sensitivity 102 dB SPL@ 1kHz 1mW Size 12.5 mm / 0.49" Dynamic driver Microphone sensitivity -42 dBV/Pa @1kHz Maximum operation temperature 45 °C Dimensions Size 12.5 mm / 0.49"  Dynamic driver Weight 15.3 g / 0.03 lbs Control and Connection Specifications Bluetooth version V5.3 Bluetooth profile version A2DP V1.4, AVRCP V1.6.2, HFP V1.8 Bluetooth transmitter frequency range 2.4 GHz - 2.4835 GHz Bluetooth transmitter power <11 dBm Bluetooth transmitter modulation GFSK, π/4-DQPSK, 8DPSK 2.4GHz Wireless carrier frequency 2.4 GHz – 2.4835 GHz 2.4GHz Wireless transmitter power <9 dBm (EIRP) 2.4GHz Wireless modulation GFSK What's in The Box? 1 x JBL Tune 305C USB-C headphones 1 x Safety Sheet (S / i) 1 x  RoHS declaration card/Instruction sheet