Specifications1. Shell material: ABS 2. 2.4G solution: JieLi AD6976M4 3. Working system: GFSK 4. Working frequency: 2.4G-2.4835GHz 5. Radio sensitivity: -38db 6. Effective distance: greater than or equal to 10 meters 7. Transmitter shutdown power consumption: 2uA 8. Transmitter operating power consumption: (video mode) 25mA 9. Transmitter operating power consumption: (Bluetooth mode) 30-40mA 10. Receiver operating power consumption: 14mA 11. Microphone signal-to-noise ratio: greater than or equal to 65db 12. Frequency response: 20Hz-20KHz 13. Monitoring: One-way monitoring 14. Microphone: Electret 15. Battery: 300mAh 16. Talk time: greater than or equal to 10 hours 17. Standby time (off state): 6 months 18. Charging input standard: DC-5V/ Max 200+/-10mA 19. Charging time: 1.5-2 hoursFeatures1. Support Bluetooth mode and video mode 2. Support dodge function 3. Support reverb function 4. Automatic pairing 5. Support monitoring 6. Suitable for mobile phones, computers, sound cards, mixers, effectors...Package List1. Receiver x 1 2. Microphone transmitter x 1 3. TRS 3.5mm to TRS 3.5mm audio cable x 1 4. OTG cable x 2 5. Type-C charging cable x 2 6. Monitoring headphones x 1 7. Rabbit fur windproof cover x 1 8. Storage bag x 1 9. Instruction manual x 1 10. Packing box x 1Specification: General Certificate MSDS, RED Package Weight One Package Weight 0.16kgs / 0.35lb One Package Size 14cm * 8cm * 5cm / 5.51inch * 3.15inch * 1.97inch Qty per Carton 180 Carton Weight 26.20kgs / 57.76lb Carton Size 48cm * 38cm * 44cm / 18.9inch * 14.96inch * 17.32inch Loading Container 20GP: 332 cartons * 180 pcs = 59760 pcs40HQ: 771 cartons * 180 pcs = 138780 pcs