Sony Wireless in-Ear Headset/Headphones with Mic for Phone Call, Black (WI-C310/B)

Whether at home or on the go The wi-c310 headphones deliver great sound with up to 15 hours of battery life1 A versatile and practical design with 9mm driver units for clear sound and lightweight design for maximum comfort make these a great choice for wireless headphones. Frequency Response (Bluetooth Communication): 20 Hz–20,000 Hz (44.1 kHz Sampling), Magnet: Neodymium, Frequency Range: 2.4 GHz band (2.4000 GHz–2.4835 GHz).

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Wireless Audio with Bluetooth technology
Up to 15 hours of battery life
9mm driver units for crisp, clear sound
Flexible and lightweight cables
Hands-free calling and voice assistant compatible
In The Box USB Type-C Cable (USB-A to USB-C) (approx 20 cm)