Detailed parameters of the headset: BT version: V5.1 Supported protocols: HSP/HFP/A2DP/AVRCP Audio decoding: AAC/SBCBT range: s15m(standard environment) Frequency responserange:20H-20KHz Speaker sensitivity: 119+3dB Speaker:14.2mm Impedance:32Ω Power:3mW Case battery capacity: 320mAh Earphone battery capacity:30mAh Music time: about 6h (70% volume) Talk time: about 5h Standby time (connected): about 120h Earphone charging time: about 1.5h Case recharging time: about 2h Wireless charging time: about 3h Charging input: DC 5V/1A Size of charging case:44*22*53.8mm Cycle counts: 4 times Size of charging case:44*22*53.8mm Net weight:48g

Highlights It works on iPhone and Android phones and automatically connects to the paired phone Siri supports Noise isolation and noise cancellation with anc Touch to pause and play video and answer phone calls Bluetooth headphones come with a professional active noise canceling function letting you immerse yourself in the music world without noise no matter if you are in a noisy street busy subway or bus flight cabin with a roaring engine Wireless headphones equid with drivers and aptx codec which deliver powerful sound and rich music with lesser audio delay upgrade Bluetooth 5.0 technology provides an ultra-fast and virtually unbreakable connection Overview The Joyroom JR-T03S TWS stereo headphones have an advanced audio system that reproduces crystal-clear audio, be it with high notes or low notes. You can listen to music, and experience the sound effects of TV shows, movies, and sports and get a realistic feel. The unique NFC feature lets you connect these Joyroom wireless headphones to your NFC-compatible smartphone, MP3 player, or such other devices. The charging battery box enables you to replenish the drained-out power of the 50mAh battery quickly.JR-T03Connectivity: WirelessCompatible with Mobile PhonesType: In EarMicrophone included: YesNoise Cancelling: YesAre batteries needed to power the product or is this product a battery: NoIs this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal? : NoExternal Audio Headphone Type In-Ear Charging Type Type-C Color Name Black Connection Type Bluetooth Model Name ANC Model Number JR-T03S PRO What's In The Box 1 pcs noise canceling 5.0 true wireless TWS earbuds Joyroom T03SPRO. Charger cable.HOOK.Liquid silicon protective case.Ear to the storage case. large ear tips+small ear tips.charging case.