M-VAVE WP-10 2 In 1 Wireless Monitor Ear Return Transmitter Receiver One In One 1. Suitable for live performance, band rehearsal, DJ equipment, expansion equipment, wireless audio transmission, etc. 2. Strong compatibility, small size, easy to carry 3. Support multiple receivers 4. Plug and play, monostereo free switching 5. Sampling rate: 24bit48KHz lossless digital transmission sound quality 6. Wireless band: 2.4GHz 7. Delay: less than 12ms 8. Effective distance: less than 30 meters outdoor transmission distance or 15 meters through the wall distance 9. Lithium battery capacity: transmitter 780mAh; receiver 550mAh 10. Charging device: USB charging cable, support fast charging 11. Signal-to-noise ratio: -98dB 12. Dynamic range: greater than 105dB 13. Frequency response: 20-20KHz 14. Size: about 6 x 4.5 x 2cm 15. Weight: about 50g Packing list: - Transmitter x 1 - Receiver x 1 - Instruction manual x 1 - USB charging cable x 2 - Audio cable x 2