1, the latest Bluetooth V5.2 chip, hi-fi stereo, bass effect shock, call clear stable and continuous;2, Ultra-low power consumption, 8 hours of continuous music (Apple 7 mobile phone 100% maximum volume test),3, the transmission rate is fast and stable, the unblocked transmission distance is more than 20 meters,4, boot, shut down, pairing success, low power, maximum volume, etc. have English voice prompts;5, can display power and activate SIRI intelligent voice assistant;6, the head scarf using high-grade nylon cationic, environmental protection does not fade, does not shrink does not deformation, double-layer design, black cloth label, high-end fashion, headscarf OPP bag a whole set of 73g, scarf light and simple technology.7, Bluetooth headset static placement time of up to 500 days! (The headset can be turned on without charging after 500 days!) Kill the others! Product parameters: Bluetooth specifications: V5.2+EDR/A2DP/AVRCP/HFP Battery capacity: 180Mah Frequency range: 2.4026GHz-2.480GHz Transmission distance: more than 20 meters Track: Stereo Horn parameters: 32 EUR /30mm Horn power: 0.5W *2 SNR: 104dB Functions: Previous song, next song, volume up, volume down, play, pause, answer a call, make a call, activate SIRI, microphone intercom Playback time: 8 hours (Apple phone 100% volume test) Talk time: 8 + hours Standby time: 260 + hours (actual test) Charging time: about 2 hours Standing time: 500 days (when the product is not in use, it is fully charged. This means that the earphones can turn on after 500 days without charging!)Packaging Accessories: 1 Bluetooth headset 1 hat 1 USB charging cable 1. This Manual