BT-21 NFC Bluetooth 5.0 Receiver & Transmitter RCA 3.5mm AUX Audio Adapter Tag-Galaxy Tab S7 FE The signal-to-noise ratio is above

The signal-to-noise ratio is above 70DB and the separation is 50DB

Monitor rotatable head: + 180 degree / -180 degree

Loading Container 20GP: 1449 cartons * 50 pcs = 72450 pcs

39inch * 5

Read speed: Dvd-rom 8x

BT-21 NFC Bluetooth 5.0 Receiver & Transmitter RCA 3.5mm AUX Audio Adapter Tag-Galaxy Tab S7 FE The signal-to-noise ratio is above1. Product interface: RCA interface AUX audio interface 2. Bluetooth version: Bluetooth 5. 0 3. Connection range: 15m 4. Battery capacity: 200mAh 5. Work length: receive 8h transmit 5h 6. Frequency range: 10Hz 20HKz 7. Signal to noise ratio: less than 110dB 8. Product features: Bluetooth receiving transmitting function combination 9. Package: 1*Bluetooth adapter,1*Charging cable,1*Audio cable Specification: Package Weight One Package Weight 0. 13kgs