
Cotton Sleep Eye Mask with bluetooth
Product information:Bluetooth specification: V5.0+EDR/A2DP/AVRCP/HFPFrequency range: 2.4026GHz-2.480GHzTransmission distance: more than 20 metersChannel: stereoSpeaker parameters: 32 ohms/30mmSpeaker power: 10 milliwatts*2Signal to noise ratio: 104dBFunction: previous song, next song, volume up, volume down, play, pause, answer a call, make a call, activate SIRI, microphone intercomPlaying time: 13 hours (100% volume test on iPhone)Talk time: 14 hours or moreStandby time: 350 hours or moreCharging time: about 2 hoursColor: gray, black, blue Features:1. The latest Bluetooth V5.0 chip, high-fidelity stereo, shocking bass effect, clear and stable calls continuously;2. Ultra-low power consumption, 13 hours of continuous music playback (100% maximum volume test for iPhone 7);3. The transmission rate is fast and stable, the unobstructed transmission distance exceeds 20 meters, and the farthest can reach 50 meters;4. There are English voice prompts for power-on, power-off, successful pairing,