Key features of the Calus H87D include:
Connectivity: It uses Bluetooth version 5.4 for enhanced connection stability and low latency. It supports standard agreements like HFP, A2DP, and AVRCP for broad compatibility.
Playtime: The headphones offer a significant playtime of approximately 70 hours on a single charge.
Charging: The device charges via a modern Type-C USB port.
Audio and Calls: It delivers quality sound with deep bass and clear vocals, utilizing 40mm dynamic drivers. A built-in microphone allows for convenient hands-free calls.
Additional Features: The headset is equipped with a TF (microSD) card insertion slot for direct music playback without a connected device.
Design: The design is described as quite stylish, lightweight, and features soft, comfortable cushioned earcups to minimize fatigue during long listening sessions.




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