Product specifications Type: Hanging ear business Bluetooth headset Color: black, silver, red Product size: 71mm*38mm*6mm Technical Parameters: Bluetooth chip: 4.1 Bluetooth Operating range: less than 10 meters Music duration: 4-6 hours Charging time: less than 2 hours Product features: intelligent noise reduction, answer/reject, end number replay, one drag and two, music pause/play Applicable products: Android, IOS5.0 and above, WP system with Bluetooth-enabled mobile phones, PSP, laptop, desktop and other Bluetooth-enabled devices Features: 1. This Bluetooth headset has no earbuds and sounds natural. Non-ear plugs and built-in speakers are closer to the ear than to the inside of the ear. Sound waves reach your ears in a natural way, just as you hear sounds from the outside. Earplugs do not cause pain or swelling when used for long periods of time. The opening of the pierced ears allows you to hear outside noise during business, travel, running and leisure. 2, lightweight design, very lightweight. The windproof carrying earphone pocket keeps this small wireless headset safe for storage and easy shipping. Easy to find and carry. Ear hook type, ergonomic design, earphones attached to the ear, can be worn on the left or right ear. You can wear glasses. The built-in microphone is suitable for hands-free calling. 3. BLUETOOTH 4.1 headphones are compatible with all Bluetooth devices. This wireless headset can be connected to two phones within 10 meters. English voice reports incoming messages, phone numbers, and low power engagement. Automatic shutdown is not used for a long time. Automatically connect when you restart your connected smartphone. 4, using CVC6.0 + DSP audio processing dual noise reduction technology, improve sound quality and call quality, high performance, 160 hours standby time, 4-6 hours of music playback, 6-10 hours of talk, 2 hours fast charge. 5, this Bluetooth headset is a new design, natural sound, comfortable and healthy for a long time. Get rid of the swelling of traditional earplugs and the vibration of bone conduction headphones.