Features:<br />- Ergonomically designed｣ｬ comfortable to use<br />- Real wireless｣ｬ no trouble wires around your neck<br />- Built in high definition microphone｣ｬ support call / listen to music｣ｬ etc.<br />- The scope of work reached 10m<br />- Compatible with most Bluetooth devices｣ｬ pairing for only a few seconds<br />- Built in large capacity battery｣ｬ long service life<br /><br />Specifications:<br />Color: Black / White / Blue / Red / Rose Gold (optional)<br />Shell material: ABS<br />Applicable models: Suitable for all phones and smart devices with Bluetooth <br />Bluetooth version: 4.1<br />Protocol mode: A2DP (3D sound)｣ｬ AVRCP (music player)｣ｬ HFP (answer and hang up)<br />Tone: Yes (English)<br />Transmission frequency: 2.4GHz<br />Bluetooth effective distance: 10m (barrier-free situation)<br />Microphone: Yes<br />One drag two: Yes<br />Binaural or single: Single ear (applies to right ear)<br />Battery: 50mAh (built-in lithium battery)<br />Power input: DC 5V<br />Key function: On / off｣ｬ pause / play｣ｬ connect / hang up<br />Bluetooth connection: Long press the power button for 5 seconds｣ｬ enter the Bluetooth mode｣ｬ mobile phone search and connect<br />Features: Compact and stable｣ｬ intelligent; good sound quality｣ｬ no noise｣ｬ strong signal; comfortable｣ｬ easy to carry.<br />Headphone weight: 5g<br />Product size: 5 * 1.7 * 2cm<br /><br />Packing list: <br />1 x Headset (single)<br />1 x USB Cable<br />1 x Chinese and English Manual