Description: Bluetooth version 4.2 Modulation method: ?/4 DQPSK, 8DPSK Support Bluetooth protocol: HFP V1.6, HSP V1.2, A2DP V1.3, AVRCP V1.6, DIV1.3 Wireless transmission range: about 10 meters Transmission power: support CLASS 1/2/3 Frequency range: 2.4GHz-2.48GHz Specification: Input: Bluetooth Power: Micro USB 5V 1A Output: fiber, coaxial output, RCA, Line out, 6.35 headphone output RCA line output: 1V RMS Signal to noise ratio: 93dB Frequency response: 20HZ-20KHz Amp power: 80mW 32 ohms Package Includes: 1x Bluetooth Audio Receiver