HUAWEI FreeBuds SE 2 Wireless Headset Bluetooth 5.3 Headphones Smart Touch Control TWS Earbuds - Blue Smart and Light: Simple and pure white,injecting a touch of freshness into the ear.Single ear as light as3.8 grams,smart and lightweight Reliable Connection,Stable and Smooth: Equipped with new Bluetooth technology 5.3 protocol,it is stable and reliable. Synchronization of audio and video provides an immersive entertainment experience,which makes the drama more enjoyable Sound is Heard,and the Quality is the Same: The selected acoustic unit has undergone 26 reliable and rigorous tests,and its performance is still stable and reliable IP54 Dust-proof and Splash-Resistant: IP54 dust-proof and splash-resistant,accompany you to indulge in sports. Don't be afraid to sweat,just listen freely Smart Fingers,Touch Control: Built-in touch sensor,touch the touch area of the earphone handle to complete the instruction operations such as music playing,switching songs,answering or hanging up the phone,waking up the voice assistant,etc. Specifications: Wearing Style: Half-In-Ear Bluetooth: 5.3 Charging case to charge the headset: about 60 minutes Wired charging with empty case: about 110 minutes Headphones in the case wired charging: about 110 minutes Test condition: indoor temperature 25 Charging method: wired charging Charging interface: USB-C Headset battery capacity: 41mAh (single) Charging case battery capacity: 510mAh Music time: 9.0 hours,with charging case 40 hours Voice call time: 5 hours,with charging case 24 hours Frequency Response Range: 20Hz-20kHz Headphone waterproof: IP54 Charging case waterproof: not waterproof Spatial audio (fixed):Not supported Dust and splash resistant: Support Call noise cancellation: Single microphone Active Noise Cancellation: Not Supported Package included: 1Pair x Headset 1 x Charging Case 1 x Chinese Manual Other items not included