Bluetooth version scheme: 5.4 version Blue Signal 5756C
[Speaker] 14.2mm composite membrane speaker
Wireless frequency: 2.4GHZ
Support protocol: A2DP1.3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3
Transmission distance: 15 meters (without obstacles)
Battery capacity: earphone 40mAh; Charging compartment 300mAh
Play/call time: about 6-8 hours
Charging time: about 1 hour
Charging voltage/current: 5V/1A
Each set: 80G color box size: 110 * 90 * 35.5MM box specification: 46.5 * 36.5 * 23.5CM 100pcs per box, 8.9kg per box
Standby time: 360 hours
Speaker impedance: 13mm 32Q
Microphone sensitivity: -42Db
Operating temperature: -10-50 °C
Waterproof grade; IPX5 life waterproof
Material: ABS / Electroplating process: earphone is electroplated
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