Chip: ATS3015E Bluetooth version: 5.3
Master-slave: Master-slave switch Bluetooth transmission distance: ＞10m
Frequency response range: 20Hz～20kHz Support protocol: HSP/HFP/A2DP/AVRCP
Number of speakers: "BH288-1 (bean type): 2
BH288-2(Pole type): 2pcs" Speaker specification: "BH288-1(Bean type): Φ6mm
BH288-2(pole type): Φ10mm"
Battery capacity: "BH288-1(bean type): 35mAh
BH288-2(Rod type): 35mAh
BH288-1(bean type bin): 370mAh
BH288-2(Pole type bin): 370mAh" Charging time: "Headset: about 1.5H
Charging bin: about 1.5H
(BH288-1 & BH288-2 are the same)"
Endurance (including charging compartment): about 48H (two headphones) Standby time: about 200 days
Headset size: "BH288-1 (bean type): 22*20.5*15.5mm
BH288-2 (pole type): 32*16.5*13mm" Charging case size: "BH288-1 (bean type): 72*36*31mm
BH288-2(pole type): 72*36*31mm
Total size: 72*72*31mm"
Headset weight (single): "BH288-1 (bean type): about 4.5g
BH288-2 (rod type): about 4g" Total weight (headphones + bin): about 92g
Charging port: Type C accessories: "① charging cable (braided wire 50cm)*1
② ear caps (large *2; small *2)
③Manual*1
④Function card*1
⑤ Storage bag *1"
Package size: 173*152*62mm Product color: "①Black
②White
③Black and white model (bean type black + pole type white)
④Black and white model (bean white + pole black)"
Signal-to-noise ratio: 90dB±3dB Delay: 46mS
Microphone sensitivity: -38dB Main body material: PC+ABS
Talk time: "BH288-1 (bean type): about 4.5H
BH288-2 (pole type): about 4.5H" Playback time: "BH288-1 (bean type): about 5H
BH288-2(pole type): about 5H"
Push button: Touch
Battery type: "Lithium-ion coin cell (headphones)
Lithium polymer battery (charging bin)"
