Including Hi-fi DACs(ES9218P*2) for extremely detailed reproduction of sound and Independent control chip Xmos XUF208 for the ultimate in decoding performance, supporting up to 384kHz and native DSDCSR8675 Bluetooth 5.0 receiver designed to deliver studio-quality sound through your ears WIRELESS - using your existing wired headphones, earphones or even speakers.For greater power and detail resolution,the BTR5 features both balanced 2.5mm and single-ended 3.5mm outpts.Can be remotely controlled via FiiO Music app to swtich channel balance,8 different DAC lowpass filter and 10-band EQFPGA precision clock management+OLED Displaying+9 hours battery life+2 microphones with cVC 8.0 noise cancellationBrand FiioManufacturer FiiOModel BTR5 or BTR5 L-CPart Number BTR5BTR5 L-C (Apple version includes Lightning to USB adaptor)Batteries included Yesbatteries required YesBattery cell composition LithiumTotal Usb Ports 1Includes Rechargable Battery NoSupports Bluetooth Technology YesManufacturer FiiOItem model number BTR5Product Dimensions 2.5 x 1 x 5.8 cm; 44 Grams