Product detailsMG S20 ?Buds? customizable fit tunes out unwanted noises, while Ambient Aware? lets you filter-in important sounds from the outside world, like flight announcements, oncoming traffic or your order number.Be heard clearly with dedicated microphones that pick up your voice and isolate it from distracting outside noises.Perfect for phone calls in noisy places. Get hours of non-stop music on a single charge.Then your MG S20 Buds in the wireless case and get nearly 11 more. In a rush?Or share your phone?s battery by placing your buds on the back of your Galaxy for a wireless, on-the-go charge.Three adjustable ear and wingtip sizes come in the box to ensure a comfortable fit. Mix and match to find the perfect fit for any ear shape or size.AIR 3 (Model: MG-S20) True Wireless Earphone With Charging CasePhone Type: MG-S20 Wireless Bluetooth Earphones Brand Name: ?Control Button: Yes Active Noise-Cancellation: Yes Style: True Wireless Wireless Type: Bluetooth Connectors: None Communication: Wireless Vocalism Principle: Dynamic Volume Control: Yes Frequency Response Range: 20-2000Hz Function: for Video Game Function: For Mobile Phone Function: HiFi Headphone Function: Sport Sensitivity: 96dB Is wireless: Yes Plug Type: Wireless Codecs: Apt-X Support Memory Card: No With Microphone: Yes Model Number: MG-S20 Resistance: 14? They are powerful in sound thanks to a 5.8mm driver featuring Pure Bass sound and colorful in design.