Active Noise CancellationHybrid 3 layer Active Noise Cancellation. 1. Outward-facing microphone detects external sounds and counter with equal anti-noise to first cancel noise. 2. Inward-facing microphone listens inside ear canal to pick up internal sounds and produce anti-noise again to twice cancel the left noise. 3. Ear caps prevent 90% noise going to ear canal. | Transparent Mode You can hear what you want to hear, which lets outside sound in so you can hear and interact with the world around you. You can clearly hear the announcement of the airline or subway and what is saying around you without taking off the headphones. | Built-in Dual Noise Cancelling MicrophoneDouble microphone noise reduction system suppresses environmental noise. A dedicated internal and two external microphones pick up your voice and isolate it from outside noise. | One-step PairingPick up the two headsets from the charging case, and they will be paired automatically. Then simply enable bluetooth connection on your mobile phone to pair the device with your earbuds. | Charge on the goTOZO NC9 wireless earbuds can last for over 13 hours' playtime from a...

Incredible Music Experience TOZO NC9 Wireless Earbuds offers a truly authentic sound and powerful bass performance, engineered to last longer and tested for a secure fit. With the ergonomic and in-ear design,noise reduction earcaps brings secure fit without hurting your ears, enables comfortable wearing experience. Easy Pairing Pick up the two headsets from the charging case, and they will be paired automatically. Then simply enable bluetooth connection on your mobile phone to pair the device with your earbuds.Convenient Using The earbuds are super light-weight and hassle-free listening, you could put it in your pocket and take it with you wherever you go. It is the ideal for sweating it out on sports, you could do the sports meanwhile enjoying the music. Technical Specifications: Audio Codec:HSP, HFP, A2DP, AVRCP Waterproof: IPX8 Charging Port: USB /Wireless Charging Bluetooth Version:5.0 Whats in the Box: 1 Pair of Wireless Earbuds 1 x USB Cable 1 x Charging Case 8 x Ear Caps (two are equipped on the earbuds) 1 x Quick Start Guide 1 x Product Manual