XIANQI Features: Lightning fast charging, super long standby time, the product panel adopts electroplating + UV process to look grand, full of sense of technology. 5.0 notification chip, high-definition calls and listening to music, comfortable to wear, sweatproof and waterproof. 300mAh customized large polymer lithium battery, imported with 5.0 upgraded version Low power consumption chip, 70 days long standby time, 36 hours of continuous listening to music Talking for 42 hours, so powerful, it can meet the needs of various professionals! Charge for 8 minutes and listen to music for 2 hours The new high-power fast charging with a conversion rate of up to 98% is used for faster charging, and the earphones can be quickly revived when the battery is out of power. Wonderful sound quality comes from HIFI-level hardware After debugging by a professional tuner, with HIFI-level hardware, high-middle-low three-frequency balance, achieving high-quality sound effects, whether it is human voice or music playback, the effect is very good. Business travel, driving calls, loud voice, clear and audible sound quality, intelligent noise reduction function is not disturbed by external noise, ensuring high-definition calls Life grade waterproof No fear of sweat/rain Passed life-level waterproof and nano-scale anti-sweat tests, It supports outdoor sports on rainy days without hindering the sweat in the gym. Using professional chip CSR PLC, Powerful and stable performance, while achieving high-speed flash charging, it also ensures low power consumption and makes the battery more durable. Comfortable and light in the ear Comfortable fit Silicone ear cap design keeps ears relaxed all day long without feeling of weight The remaining power of the headset can be clearly displayed on the mobile phone in real time The remaining power of the headset is displayed, and the power of the headset can be intuitively checked on the mobile phone Support Apple system and some Android systems Independent button operation at your own pace Precise function buttons and three-dimensional touch provide you with a faster blind operation experience. 90 minutes charging time 10 meters communication distance Packing list: bluetooth host, ear hook, auxiliary earphone cable, USB charging cable, manual