What's in the box:

UHF Wireless Transmitter & Receiver 6.35mm Standard Audio Plug Wireless System for Electric Guitar Bass Piano (Standard)

Features:
UHF Wireless Transmitter for Guitar Instrument: using UHF high frequency noise reduction wireless technology, the transmission can reach 50 meters, the signal is stable, and the performance is more wonderful.
Transmitter LED Screen Signal Display: can clearly and intuitively see the frequency, volume, power and other prompt functions.
90-degree Rotation Audio Plug: the 6.35mm plug of transmitter and receiver can rotate at any 90 degrees, which makes it convenient to insert the instrument audio hole and use more flexibly.
Endurance: built in rechargeable polymer lithium battery, equipped with a charging line, the receiver and transmitter can be charged at the same time with a power bank or 5V charging head.
6.35mm Standard Audio Plug: after the frequency matching between transmitter and receiver is successful, insert the transmitter into electric guitar, electric bass, electronic piano and other plug-in instruments, and insert the receiver into the amplifier equipment such as the speaker, then it is ready to use.

Specifications:
Material: ABS
Transmission Mode: UHF
Audio Output: Mix output
Pairing: Automatic
Frequency Range: 530~690MHz
Power Consumption: <110mA> Power Supply: Built-in 3.7V 400mAh li-polymer battery
Item Size: 125 * 31 * 22mm / 4.92 * 1.22 * 0.87in
Item Weight: 79g / 2.80oz
Package Weight: 180g / 6.34oz
Package Size: 20.2 * 11 * 3.2cm / 7.95 * 4.33 * 1.26in

Packing List:
1 * Transmitter
1 * Receiver
1 * USB Cable