Power supply: type-C or 5V inputBluetooth-compatible distortion: 0.15% harmonic distortion + : 95dBAudio DAC and : 24 bitChip module: with 24bit-192k digital audio analysis CPU: 240mhz risc-32 CPU processing coreDSP: 400MHz digital signal processing coreBluetooth-compatible version: 5.0 compatible with v4.2/v4.2le/v2.1 + Bluetooth-compatible protocol: support Bluetooth-compatible 5.0 and A2DP, AVRCP, HFP, spp, Br , Br device, and other Bluetooth protocols. Support and codingTransmit and receive delay: support actx-ll low delay, as low as 30msReceiving mode: support fiber output, coaxial output, analog output(it can realize Bluetooth receiving to fiber digital signal)(it can receive the coaxial digital signal via Bluetooth-compatible )(it can realize Bluetooth-compatible receiving to analog stereo signal)Transmission mode: support fiber input, coaxial input, analog input(it can realize the transmission of optical fiber to Bluetooth-compatible signal)(coaxial transmission to Bluetooth-compatible signal can be realized)(analog stereo transmission to Bluetooth-compatible signal can be realized)Adapt to any audio device to Bluetooth-compatible transmissionTwo boards can be connected to each otherCan receive any Bluetooth-compatible signalIt can transmit audio signal to any Bluetooth-compatible receiving deviceColour:blackMaterial:plasticPackage Contents:1 x Bluetooth audio transmitterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.