What's in the box:

AY87 Audio Transmitter Receiver 2.4G Wireless HIFI Audio Converter No Latency Audio Transceiver Adapter (Black)

Features:
*Lightweight and portable, easy to carry.
*No latency, real-time audio synchronization.
*No driver required, convenient to use.
*The connection is fast and stable. Supports USB2.0 full-speed audio input.
*Excellent technology ensures transmitting a strong signal in high-quality and high speed.

Specifications:
Model: AY87
Color: Black
Input Digital Audio: SPDIF
Input Analog Audio: RCA Interface
Frequency Range: 2403-2478MHZ
Audio Data Transmission: 3Mbps
Transmitter Output Power: 13dB (20mW)
Receiver Sensitivity: -82dBm (PER 1%)
Minimum Delay Time: 12.5MS
Stereo Audio Sampling Frequency: 48KHz, 44.1KHz, 32KHz
Distortion Plus Noise (THD+N): -81DB
Signal to Noise Ratio (SNR): 86DB
Frequency Response: 20Hz-23KHz
Operating Temperature: -10 - 55?
Storage Temperature: -20 - 60?
External Power Supply: 5V DC 1A
Package Size: 15 * 12 * 5.5cm / 5.91 * 4.72 * 2.17in
Package Weight: 197g / 6.95oz

Package List:
1 * Audio Transmitter
1 * Audio Receiver
2 * USB Cable
1 * Power Adapter
1 * User Manual (Chinese / English)