Samsung Galaxy R640 Buds 4 Pro white

USB Type-C required charging power (min): 2.5 W
USB Type-C required charging power (max): 4.5 W
USB Type-C charging port: Yes
Weight: 5.1 g
Height: 30.9 mm
Width: 18.1 mm
Depth: 18.1 mm
Charging case dimensions (W x D x H): 28.3 x 51 x 51 mm
Charging case weight: 44.3 g
Left earpiece weight: 5.1 g
Right earpiece weight: 5.1 g
Headset type: Binaural
International Protection (IP) code: IP57
Wearing style: In-ear
Product colour: White
Market segment: Consumer
Product type: Headset
Recommended usage: Calls/Music
Gyroscope: Yes
Accelerometer: Yes
Position sensor: Yes
Adaptive EQ: Yes
AC adapter included: No
Charging case capacity: 530 mAh
Charging case: Yes
Bluetooth profiles: TMAP, HFP, PBP, A2DP, AVRCP
Bluetooth version: 6.1
Connectivity technology: True Wireless Stereo (TWS)
Bluetooth: Yes
Talk time (with charging case): 22 h
Battery operated: Yes
Right earpiece battery capacity: 61 mAh
Continuous audio playback time (ANC on): 6 h
Left earpiece battery capacity: 61 mAh
Continuous audio playback time (charging case/ANC on): 26 h
Continuous audio playback time (ANC off): 7 h
Battery capacity (charging case): 530 mAh
Talk time (ANC off): 5 h
Continuous audio playback time (charging case/ANC off): 30 h
Talk time (ANC on): 4.5 h
Voice commands: Yes
Proximity sensor: Yes
Number of microphones: 6
Microphone type: Built-in
MEMS (Micro-Electro-Mechanical System) microphone: Yes
Warnings: Keep away from children., Do not use near sources of heat or flame., Regularly check the condition of the batteries to prevent leaks.
Number of drivers: 2
Ear coupling: Intraaural
Noise canceling type: Active
Driver unit: 1.1 cm
Noise canceling: Yes