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Overview and Specifications:

Product Attribute
Special Features : Bluetooth V4.2
Model Name : SR09
Item Size : NO
Item Weight : 134g
Material Type : ABS

Charging time: 2 hours
Battery capacity: 550mAh
Talk time: about 10 hours
Intercom time: up to 500 hours
Bluetooth version: V4.2
Transmission distance: 10m
V4.2+EDR, stable output
Full voice broadcast
Automatic switch function, saving effort
Apple Siri Voice Control
550 mAh battery, 500 hours long standby
The duration of the call is about 10 hours.
Built-in digital amplifier for increased volume and sound
Advanced multi-point connection to support two mobile phones simultaneously online
Built-in DSP noise suppression and echo cancellation (CVC8.0 dual noise reduction technology)
Bluetooth transmission distance: 10M

Speaker: 4Ω2W, high-definition stereo sound