1. Bluetooth version: V5.0+EDR 
2. Wireless frequency: 2.4GHZ 
3. Support protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3 
4. Transmission distance: 10m 
5. Headphone battery capacity: 50mAh 
6. Headphone charging voltage/current: 5V/1A 
7. Play/talk time: about 4 hours 
8. Charging time: about 1 hour 
9. Standby time: 120 hours 
10. Speaker impedance: 8mm diameter, 32 ohms 
11. Microphone sensitivity: -42dB 
12. Working temperature: -10-50 degrees Celsius 
13. Input voltage/current of charging compartment: 5V/1A 
14. Battery capacity of charging compartment: 400mAh
Specification:
  
	| Package Weight | 
		  
			
					| One Package Weight | 0.17kgs / 0.36lb |  
		  
			
					| One Package Size | 15cm * 9cm * 3cm / 5.91inch * 3.54inch * 1.18inch |  
		  
			
					| Carton Weight | 22.00kgs / 48.50lb |  
		  
			
					| Carton Size | 47cm * 47cm * 32cm / 18.5inch * 18.5inch * 12.6inch |  
		  
			
					| Loading Container | 20GP: 377 cartons * 150 pcs = 56550 pcs 40HQ: 875 cartons * 150 pcs = 131250 pcs
 
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