Philips TAH2000BK/00 The Ringo Headphones Ports & Interfaces - Connectivity Technology: Wireless - Bluetooth: Yes - Bluetooth Profiles: A2DP, AVRCP, HFP, SBC - Bluetooth Version: 5.4 - Connection Range: 10 m Power - USB Type-C Charging Port: Yes - Required Charging Power (min): 5 W - Required Charging Power (max): 15 W - USB Power Delivery (USB PD): No Microphone - Microphone Type: Built-in Headphones - Headphone Speaker Position: Supraaural - Maximum Input Power: 10 mW - Acoustic System: Closed - Headphone Frequency Range: 20 - 20000 Hz - Impedance: 32 Ohm - Headphone Sensitivity: 123 dB - Speaker Diameter: 4 cm - Driver Type: Dynamic Battery/Battery - Battery Powered: Yes - Battery type: Built-in rechargeable battery - Battery technology: Lithium Polymer (LiPo) - Battery capacity: 200 mAh - Continuous audio playback time: 26 hours - Battery charging time: 2 hours - Charging source: USB Performance- Product type: Headset - Wearing style: Headband - Recommended use: Calls/music - Product color: Black - Headset type: Stereo - Volume control: Button - Control type: Buttons - Works with Google Assistant: Yes - Works with Apple Siri: Yes Weight and dimensions- Width: 147 mm - Depth: 50 mm - Height: 155 mm - Weight: 80 g Package contents- AC adapter included: No - Ear cushion material: Foam