Closed-back on-ear headphones – Bluetooth – Frequency response: 20Hz-20,000Hz (44.1kHz sampling) – Built-in microphone – Volume control – Bluetooth Version 5.2, Bluetooth Power Class 1, Frequency range: 2.4 GHz, Interfaces: A2DP, AVRCP, HFP, HSP, Supported codecs: SBC, AAC – Multi Pairing, Multi Point – allows pairing with two Bluetooth devices simultaneously – Equalizer functions with customization options, 360 Reality Audio Setting, DSEE, Automatic shut-off, Call functions: HD Voice, echo cancellation, noise suppression, SideTone – Voice assistants: Google Assistant, Siri – Sony Headphones Connect app, Google Fast Pair, Now Playing – Technical features: Closed dynamic on-ear headphones, 30mm drivers, Frequency response: 20Hz-20,000Hz (44.1kHz sampling) – Power and Battery: Integrated rechargeable lithium-ion battery 300mAh DC 3.7 V, Battery life: Approximately 50 hours with Bluetooth playback, Approximately 40 hours in communication, Charging time: About 3 hours for a full charge, The unit can be used for 90 minutes after 3 minutes of charging, Charging via USB Type-C port, Rated power consumption: 1.4 W – Bluetooth on-ear headphones, 30mm drivers, Battery life up to 50 hours with fast charging, 360 Reality Audio certification, Multipoint connection allowing pairing with two Bluetooth devices simultaneously, Crystal-clear hands-free calls. Color: cappuccino