PROFESSIONAL EAR RETURN,MONITORING SYSTEM EXCELLENT PERFORMANCE STRONG COMPATIBILITY Dedicate oneself to research, craft with ingenuity and quality SPECIALLY DESIGNED FOR BAND SINGERS Wireless transmission design, portable waist bag, singing and recording, enjoy performance to the fullest. This is a UHF wireless transceiver system suitable for 6.35mm to 3.5mm The audio interface device has strong anti-interference ability, strong penetration of obstacles Stable transmission without buffering and other advantages. TYPE-C CHARGING INTERFACE BUILT IN LARGE CAPACITY LITHIUM BATTERY Charging use, with a fully battery life of about 8-10 hours Built-in Battery: Yes High-concerned chemical: None Model Number: SQ-01 Type: Studio Monitoring Color: As Shown Material: Plastic+Metal Package Contents: 1 * Receiver 1 * Transmitter Only 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.