Features: Experience professional sound with the Wireless Earphone Monitor System, featuring 24bit/48KHz sound and 24h transmitter battery for uninterrupted monitoring. This 2.4G wireless system supports multiple receiver connection, 30 meter transmission, and four operating (stereo, left right channel, mute) for flexible control. Ideal for musicians, live streamers, and sound engineer low latency monitoring during performances or recordings. Perfect for stage shows, studio, or live broadcasts where clear sound synchronization and portable design is critical. The receiver with volumetric adjustment and mute button ensuring operation in high pressure professional environment. Specifications: Material: Plastic Sampling Rate: 24bit/48KHz Wireless Frequency Band: 2.4GHz Effective Distance: 30m/98ft outdoor transmission distance Frequency Response: 20-20KHz+ 1dB/-3dB Battery Type: Rechargeable battery Transmitter Battery Capacity: 1800mAh Receiver Battery Capacity: 200mAh Product Material: Plastic ABS Product Color: Black Transmitter Size: 9.5x3.8x4cm/3.7x1.5x1.6inch Transmitter Weight: 75g/2.6oz Receiver Size: 3x2x4cm/1.2x0.8x1.6inch Receiver Weight: 15g/0.6oz Package Includes: 1Pc Transmitter 2Pcs Receiver 1Pc USB Charging Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.