PRODUCT GRADING Brand New Retail Box WHAT IS IN THE BOX I7s TWS Mini Wireless Bluetooth 5.0 Earphones In-Ear Stereo Earbuds - White PRODUCT DESCRIPTION Equipped with dual Bluetooth earbuds, wireless to connect mobile devices and you can share it with your families or friends. Superb sound quality headset with ultra-low power consumption Bluetooth V4.2, create a best 360 degrees stereo sound and superb bass sound. Coupled with 950mAh charging dock, a mini power bank can charge for your Bluetooth headset 5 times, not afraid of power-off anymore when you have an outing.Main Features:Adopt true wireless technology, enjoy your wireless sportsCompact and lightweight design, reduce your ears\' pressuresIntelligent charging box provides fast charge, worry free for enduranceAllowing two persons to listen to the same song without the obstacle of earphone lineErgonomic design, small detail protect your earphone from dropping when you exercise strenuouslyDouble click to redial outgoing call, one click to play pause music PRODUCT INFORMATION  Product model: i7s TWS Driver: 11mm Impedance:32 OHM Bluetooth version: Bluetooth V5.0 + EDR Bluetooth use band: 2.4GHz Power level: CLASS II Output power: 30mW Bluetooth distance: 10 meters barrier Frequency response: 20-20000Hz Operating voltage range: 3.7V-4.2V Mitou sensitivity: -42dB With A2DP / AVRCP high quality stereo audio transmission and remote control protocol Powerful noise de-noising circuit (active noise reduction) Charging time about 1 hour (power indicator charging: red light, full power: red light off (blue light).) Product Size: Length 25MM. Width 15MM. High 35mm Working time : one for3hours, a pair for2 hours Standby time : one for80 hours, a pair for60 hours The charging time is about30 minutes Battery capacity : 60mAh Product features: intelligent noise reduction, answer/reject, end redial, two drag one, music pause playback, up and down music switching Applicable products: Android, IOS5.0 and above, WP system and other Bluetooth-enabled mobile phones, PSP, laptop, desktop and other Bluetooth devices (computers that do not need Bluetooth need adapters)