Wireless Earphones Neckband Type Black Neckband stereo earphones compatible with calls, music, and video audio. Equipped with a high-quality, heavy-bass driver. Left and right earphones can be docked with magnets. Supports multi-point connection *Multi-point connection may not be possible depending on the model. Reversible microUSB charging cable included. Waterproof performance grade IPX4 compliant *Not completely waterproof. Description ■Bluetooth Earphone Specifications ・Model Name: BS79 ・Communication Method: Bluetooth 5.3 ・Maximum Communication Distance: Approximately 10m (Class 2) in clear line of sight ・Supported Profiles: HSP/HFP/A2DP/AVRCP ・Pairing: Up to 8 devices can be registered ・Operating Frequency: 2.40GHz to 2.48GHz ・Passkey (Authentication Code): 0000 (four zeros) ・Built-in Battery: Lithium-ion polymer battery ・Charging Time: Approximately 3 hours* ・Continuous Talk Time: Up to approximately 12 hours* ・Standby Time: Up to approximately 110 hours* ・Music Playback Time: Up to approximately 11.5 hours* ・Size (per side): Approximately W112.5 x H62 x D9mm ・Weight: Approximately 28g ・Material: ABS and others ■Charging USB Cable Specifications ・USB Connector: USB A connector/microUSB ・Cable Length: Approximately 30cm ・Cable Rating: DC5V/1A ・Weight: Approximately 15g ・Material: PVC and others https://tamadenco.co.jp/product/ffbs79k/