Bluetooth® standard 5.0 + EDR Bluetooth® profile A2DP, AVRCP, SPP Bluetooth® codec SBC, AAC, Qualcomm® aptX™ and Qualcomm® aptX™ HD Number of paired devices 8 Wireless frequency range 2402 ~ 2480 MHz Range Up to 10 m Digital optical output SPDIF with either 96 kHz / 24 Bit or 48 kHz / 24 Bit depending on sampling rate of the device