Product information: Product name: YX08 Weight: 30G Single ear: 5G Battery: 50MAH Bluetooth chip version: Lanxun version 5.0 Listening to songs and calls: about 5 hours Bluetooth distance: about 10 meters Charging time: 1.5 hours Color: wise black, piano white, rose pink, texture gray Product name: M-B8 Product features: waterproof, magnetic absorption, key lighting, high-definition sound quality Bluetooth protocol: V5.0 Noise reduction version: cvc8.0 Transmission distance: 10 meters Charging compartment capacity: 150mAh Single ear capacity: 50mAh Charging time: about 1 hour Play/talk time: about 4 hours Standby time: about 100 hours (with the charging case) Headphone power on: button to power on Automatic pairing: support Color: black, white, gold, silver, rose gold Packing list: Unlimited ear Infinite earphone*1, charging cable*1, manual*1