This Bluetooth headset has been fully upgraded. It's more comfortable and powerful to wear. The shiny shape is metallic, ergonomically designed,retractable ear hooks and it only 0.3 ounces. The 180-degree flip adjustment angle allows the headset to be worn in the right ear or left ear. There are also 5 different shapes and models of replaceable ear caps in the box, which will be suitable for you. It has a portable protective case for easy carry and protection of headset to avoid scratches. | Bluetooth V5.0 headset is equipped with CSR noise reduction chips and APTX to ensure maximum signal quality and excellent sound quality. With a mute button, mute your microphone if you don't want others to hear your voice. One-click activation (Siri) voice assistant and mute. Ultra-strong Bluetooth connection signal with a 33ft (10meters) Bluetooth operating range. | Bluetooth earpiece sits in HD noise-cancelling microphone with EDR X audio decoding technology, high volume, bass, high resolution pure sound to make your music or call more lively and greatly enhanced listening experience. Noise-cancelling boom microphones and dynamic speakers clearly pick up your voice and make your calls enjoyable as you talk to a crowd or walk around. | Multi-user connectivity is supported, and the wireless headset can be used with all smartphones, tablets and music players. Support for music/video/audio/game. Pair with 2 Bluetooth devices at the same time and you won't have to worry about having trouble with 2 phones. | Long-term standby use: standby time of 180 hours, listening / talk time 7-9 hours, low power with the smart LED and voice will be prompted, and it can be quickly fully charged in only 1.5 to 2 hours.