Samsung Galaxy SM-R640

Performance
Product type: Headset
Wearing style: In-ear
Recommended usage: Calls/Music
Market segment: Consumer
Headset type: Binaural
Product colour: Black
International Protection (IP) code: IP57
Accelerometer: Yes
Gyroscope: Yes
Position sensor: Yes
Adaptive EQ: Yes
Ports & interfaces
Connectivity technology: True Wireless Stereo (TWS)
Bluetooth: Yes
Bluetooth profiles: A2DP, AVRCP, HFP, PBP, TMAP
Bluetooth version: 6.1
Headphones
Ear coupling: Intraaural
Driver unit: 1.1 cm
Number of drivers: 2
Noise canceling: Yes
Noise canceling type: Active
Microphone
Microphone type: Built-in
Number of microphones: 6
MEMS (Micro-Electro-Mechanical System) microphone: Yes
Battery
Battery operated: Yes
Right earpiece battery capacity: 61 mAh
Left earpiece battery capacity: 61 mAh
Talk time (with charging case): 22 h
Battery capacity (charging case): 530 mAh
Continuous audio playback time (charging case/ANC on): 26 h
Continuous audio playback time (charging case/ANC off): 30 h
Continuous audio playback time (ANC on): 6 h
Continuous audio playback time (ANC off): 7 h
Talk time (ANC on): 4.5 h
Talk time (ANC off): 5 h
Weight & dimensions
Width: 18.1 mm
Depth: 18.1 mm
Height: 30.9 mm
Weight: 5.1 g
Left earpiece weight: 5.1 g
Right earpiece weight: 5.1 g
Charging case dimensions (W x D x H): 28.3 x 51 x 51 mm
Charging case weight: 44.3 g
Packaging content
Charging case: Yes
Charging case capacity: 530 mAh
AC adapter included: No
Power
USB Type-C charging port: Yes
Other features
Proximity sensor: Yes
Voice commands: Yes