Sony

In-Ear Headphone Headset Color: Black
Wireless Bluetooth Headset
DSEE™ engine restores lost frequencies in compression to produce

Hands-free calling and voice assistant commands with built-in microphone
Splash and sweat resistant IPX4 rating
Control in Volume
Adjust the volume using the Sony | app Headphones Connect
3 pairs of comfortable and well-fitting silicone earbuds (small – medium – large)
Comfortable behind-the-neck style
Subwoofer unit: 9 mm
Frequency response: 20 Hz – 20000 Hz
Battery charging time: approximately 3 hours

Continuous call time: 15 hours maximum
Standby time: You can get an hour of charging after only 10 minutes.
Continuous music playback time: 25 hours, maximum
Weight: –
Net weight: 19 grams
Gross weight: 45 grams
Country Origin: Vietnam
Warranty: One year warranty