Washable Sleep Earphone Eye Mask Wireless Bluetooth

Product information: Bluetooth specification: V5.0+EDR/A2DP/AVRCP/HFP Frequency range: 2.4026GHz-2.480GHz Transmission distance: more than 20 meters Channel: stereo Speaker parameters: 32 ohms/30mm Speaker power: 10 milliwatts*2 Signal to noise ratio: 104dB Function: previous song, next song, volume up, volume down, play, pause, answer a call, make a call, activate SIRI, microphone intercom Playing time: 13 hours (100% volume test on iPhone) Talk time: 14 hours or more Standby time: 350 hours or more Charging time: about 2 hours Color: 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. T