Product information:<br />Color: black， dark gray， white， white and blue， white and pink<br />Bluetooth version: 4.0 + EDR + CLASS2<br />Equipped with mode: headphones<br />Microphone: Omnidirectional microphone sensitivity<br />Call Duration: 5 hours<br />Music Player: 8 hours<br />Standby time: not less than 20 days<br />Transmission distance: up to 10 m<br />Battery capacity: 3.7V600MAH<br />Size: 152 * 79 * 180MM<br />Earphones Size: 70MM<br />Weight: 360G<br /><br />Features:<br />1. Waterproof rubber wearing green， delicate touch， comfortable to wear， characterized in that; when summer wear， to have the capacity to reduce sweat， not hot.<br />2. Soft breathable style soundproof earmuffs ear package， using a sense of human skin protein intradermal， memory foam padding， soft ear pads can close around the ears， combined with sound technology enthusiasts， regardless of the music player or smartphone， in addition to can enjoy a new generation of high-resolution audio formats sound， large reduce listener fatigue during prolonged use.<br />3. From the material applied to the structure， B750 are lightweight design. Wear lightweight， completely release burden ear. Folding design， compact， reduce the volume of the headphones， carry no pressure， is the best travel traveling soul mate.<br />4. The use of wire rod imports 3.5MM international standard jack， rotary locking design， audio cable easy to fall off. It can be connected to mobile phones， computers and other audio equipment thrown. Earphone no electricity? Plug 3.5MM audio cable， music is still on your side to accompany<br />5. Color CSR Bluetooth chip， a variety of Bluetooth devices paired， within a radius of 10 meters barrier-free space can be effective for Bluetooth communication and stable. A key to answer the call， intelligent noise reduction technology to ensure your call clarity clean.<br />