What's in the box:

Rechargeable UHF Wireless System Transmitter + Receiver 10 Channels ()

Features:
Adopts UHF wireless ID pairing technology, supports 10 variable channels, and allows multiple sets using in a band simultaneously.
Built-in 5 professional guitar effects(original clean/ bluesy/ flanger/ tremolo/ metal), meet your different playing needs.
The transmitter has built-in amplifier, can be connected earphone or speaker to work independently by 3.5mm output jack.
The receiver supports BT and line-in function, you can connect your smartphone with the receiver by BT or 3.5mm audio cable to play background music.
The transmitter and receiver both with built-in rechargeable lithium battery, allows you to use them anytime and anywhere.
6.35mm rotatable plug available for guitars with input jack in different positions, flexible to use.

Specifications:
Range: about 10 meters in open air
Channels: 10
Power Supply: Built-in Rechargeable Lithium Battery
Charging: Micro USB port
BT: BT2.0
Auto Sleep: the transmitter will enter to sleep mode if there is no signal for 5 minutes
Item Size: 12.5 * 4.3 * 2cm / 4.9 * 1.7 * 0.8in
Item Weight: 40g / 1.4oz(for each)
Package Size: 15 * 12.5 * 6cm / 5.9 * 4.9 * 2.4in
Package Weight: 260g / 9.2oz

Note:
The guitar and guitar amplifier showed in the picture are not included.

Package List:
1 * Transmitter
1 * Receiver
2 * USB Charging Cable
1 * 3.5mm Audio Cable
1 * Carry Bag