Product information:
Material: ABS
Applicable models: applicable to all mobile phones and smart devices with Bluetooth function
Bluetooth version: 5.2 + EDR
Protocol mode: A2DP, AVRCP, HSP, HFP
Effective distance: 10m (barrier-free)
Microphone: Yes
Impedance: 32Ω
Sensitivity: 42db
Distortion: ±5%
Battery capacity: 50mah+2000mah
Headphone music time: 3-4 hours (depending on the volume)
Headphone talk time: 3-4 hours (depending on volume)
Headphone charging time: 1 hour
Gross weight: 116g
Net weight: 88g
Packing size: 11.5*7*3.5cm
Product size: 76*45*32mm
Packing: color box

Packing list:
2*Bluetooth headset, 1*battery compartment, 1*USB cable, 1*instructions, 4*ear caps