[True Wireless] bluetooth Earphone Basic Version Stereo Voice Prompts Headphones with Charging Box

Features:1. Waterproof and sweatproof design, protect earphones from sweat.2. Truly wireless design, it is ultralight(only 5.4g), mini and invisible.3. With a 450mAh charging box, never worry that your earphones will be dead.4. Show battery level on smartphone.Specifications:General SpecificationColorBlackWearing Type In-earEarphone Weight 5.4g Dimensionsof Charging Box L92mm*W40mm*H31mm Dimensions ofEarphone L23mm*W12mm*H26mmTechnical Parameters Microphone Yes Voice Prompt Support bluetooth Version 4.1 Transmission Distance 6-10m(according to the using environment) Support Protocol Headset/handsfree/A2DP/HFP/HSP/AVRCPBattery Capacity Charging box: 450mAh Single earbud: 50mAhMusic Time 2.5 hours (laboratory test time)Talking Time 3 hours (laboratory test time) Standby Time 48 hours Functions Waterproof,dual earbuds, stereo, long battert lifePackageIncluded:1* Dual bluetooth Earphones1* Charging Box3* Pairs Earbuds1* Manual