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Bluetooth Version V5.0
Support Protocol HFP 1.7, HSP 1.2, A2DP 1.3, AVRCP 1.6, SPP 1.2, PBAP 1.0
Color Black
Battery Type Polymer Lithium Battery
Battery Voltage DC 5v
Earphone Battery Capacity 50mAh
Charging Box Battery Capacity 500mAh
Operating Distance about 15 meters
Earphone Charging Time 40-50 minutes
Impedance 32 ohms
Frequency Response 20-20000Hz
Sensitivity 120±3dB
Talk Time 4-6 hours
Music Playback Time 4-6 hours
Standby Time 40 days
Package Includes 1 x Wireless Earbuds
1 x Charging box
1 x UBS charging cable