VEN-DENS Bluetooth Wireless Neckband VD-BT059
Bluetooth Version: 5.3 Chip: AC7023E2 Transmission Distance: about 10M Talk time: 10H Music playback time: 11H Standby time: 60H Battery capacity: 200mAh Charging time:1.5H Speaker: Φ10 Microphone Sensitivity: -42+3db Frequency Response: 20Hz～20KHz 3 Months Warranty
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