Specification: Features:

Ergonomical design for painless wear, easy to wear for a whole day not feeling load.
Advanced chip with built-in high-resolution decoder, high transmission efficiency and long barrier-free transmission distance.
170 mAh polymer battery to supply power, low power consumption, ultra long standby time, suitable for multiple purposes.
Unique HIFI original sound quality HD vocals, low, medium, high triple frequency equilibrium.
180 rotating earpiece, allows left ear or right ear to wear freely.
Support for IOS system and a small number of for Android systems, support real-time display of power.

Specification:
Condition: Brand New
Model: F900
Material: ABS
Main Color: Black
Bluetooth Version: 5.0
Battery Capacity: 170mA
Response Frequency:50-10KHZ
Standby Time: About 200 hours
Charging Time: About 2.5 hours
Talk Time: About 18 hours
Music Time: About 20 hours
Working Distance: 10m (one for two mode)
Size: Approx.44mmx18mmx77mm/1.7x0.7x3.0in
Package Weight: Approx.78g/2.8oz

Package List:
1 x Bluetooth Headset
1 x USB Cable
1 x User Manual
2 x Ear Cap
1 x Cloth Bag Features: 1 Ergonomical design for painless wear, easy to wear for a whole day not feeling load. 2 Advanced chip with built?in high?resolution decoder, high transmission efficiency and long barrier?free transmission distance. 3 170 mAh polymer battery to supply power, low power consumption, ultra long standby time, suitable for multiple purposes. 4 Unique HIFI original sound quality HD vocals, low, medium, high triple frequency equilibrium. 5 180 rotating earpiece, allows left ear or right ear to wear freely. PackageList:

What's in the box
1 x Bluetooth Headset
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1 x Usb Cable
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1 x User Manual
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2 x Ear Cap
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1 x Cloth Bag__