T'nB HTAG Bluetooth Headphones - Black (Ref: CBHTAGBK) With the HTAG Bluetooth Headset, enjoy your playlist in a new way ! 2 in 1: wired and wireless. Bluetooth (= wireless) mode allows total freedom of movement, and works with the built-in Lithium battery. The wired mode (headphone jack included on the headset) allows you to use your headset connected directly to the smartphone / MP3 / tablet, in case the battery is discharged. Features Compatibility: Universal Capacity: 10m range Characteristics: Supra-aural Sensibility: 115 dB Power supply: Lithium battery 200mAh Input power Max (mW): 50 Microphone: Yes Connectivity: Micro USB Magnet diameter (mm): 40 Collection: Hashtag Autonomy: 6h Technology: Bluetooth 5.0