True Wireless Earbuds Bluetooth 5.1 Headphones,Noise Cancellation Headsets,30H Playtime in-Ear Hi-Fi Stereo Sound Mic IPX7 Waterproof Headset for iPhone/Samsung/Android White

product description? New Upgraded Bluetooth 5.1 True Wireless Earbuds with Portable Charging Case ?? Features Bluetooth 5.1: With the latest Bluetooth 5.1 technology, the pairing speed is faster, which provides a more stable connection and lower battery consumption with almost no delay or dropped calls. Automatic pairing: No skills are required, after opening the charging box, take out 2 earphones, the wireless earphones will be paired automatically, and subsequent use only needs to open the case, and the Bluetooth earphones will automatically pair with the previous device (IOS, Android, Windows). Smart Touch: Touch the earbuds to control all functions, play/pause music, next/previous song, answer/end calls, volume +/-, activate Siri/Google Assistant by touch at different times. Active Noise Cancellation: Adopt the latest TWS technology and CVC8.0 noise reduction technology to intelligently eliminate ambient noise, provide binaural ultra-clear and smooth calls, ideal for work and sports, immerse you in the original music world. IPX7 Waterproof: With IPX7 enhanced design, waterproof nano-coating, it can easily resist sweat and rain, perfect for sports such as running, cycling, hiking and other activities (not suitable for swimming). Built-in microphone: Hands-free calling when working/exercising/cooking/driving. Good compatibility: Compatible with most Bluetooth devices, such as iPhone, Android, iPad, iPod, MacBook, Samsung Galaxy, etc. ?? Product Specifications: Version: 5.1 ?Output current: 3.7V/50mAh Input current: DC 5V ?Talking: 4-5 hours Charging time: 40 minutes Transmission range: ?15M (no obstacles) Transmission frequency: (2400-2483.5) MHz Supported protocols: HSP/HFP/A2DP/AVRCP Sensitivity: 120±5dB Frequency Response: 20-2000Hz Battery capacity: 3.7V/50mA Charging box battery capacity: polymer 230mAh with protective plate ??Package Contents Bluetooth headset x 2 Charging case x 1 Type C charging cable x 1 User guide x 1 ??after-sales serv