I purchased it on Rakuten Big about two months ago, but I haven't used it much. Weight: Approximately 147g Type: Over-ear Bluetooth: Bluetooth compatible Bluetooth Class: Bluetooth standard Power Class 1 Bluetooth Profiles: A2DP, AVRCP, HFP, HSP Bluetooth Version: Bluetooth standard Ver. 5.2 Bluetooth Codec: SBC, AAC Bluetooth Multi-pairing: 8 devices Charging Port: USB Type-C Music Playback Time: Up to 50 hours Earphone Charging Time: Approximately 3 hours Quick Charge: 5.5 hours playback with 10 minutes of charging, 1.5 hours playback with 3 minutes of charging Waterproof/Splashproof: Not supported Remote Control/Microphone: Remote control and microphone supported Dedicated App: Dedicated app supported Accessories: USB Type-C cable (approx. 20cm), warranty card, precautions/main usage