ITEM NAME:J29 Bluetooth 5.0 Tws Battery Display Mini Wireless Ear Buds Twins Earphone K3O3 J29 Bluetooth 5.0 Tws Battery Display Mini Wireless Ear Buds Twins Earphone K3O3 Longer Play Time & Portable Charging. About 4 hours Playing Time by 1 hour quick charge. Portable 800mAh mini charging stand supports 4 times recharging, with a LED display shows remaining power percentage and can be stopped by the stand button. Magnetic grab charging design keep earbuds stay in place, avoid loose connection when charging. Colour: Black Material: ABS Easy Pairing & Stable. Connection Earbuds auto-pair with each other after turning on and you just need 1 more step to connect them to your phone. Dual Mic for Clear Calls True double channel earphone with dual microphone provide real HD communication experience for calling and Hi-Fi auditory effect for music. Tuned by professional acoustic team, these stereo earphones delivers superb enjoyable music and stereo listening experience with actual bass. Product model number: J29 Bluetooth version: Bluetooth v5.0 Bluetooth protocol: A2DP.AVRCP.HFP.HSP Effective distance: 10m (in case of obstacles) Headphone charging time: 1hrs Charging box charging time: 2.5-3hrs Charging box charging input: DC 5.0V=700mA Charging box charging output: DC 5.0V=500mA Nominal impedance: 16 ohms Usage mode: binaural mode; left/right single ear mode Whether single or both ears: bilateral stereo (can be used alone) Function: Support music / voice prompts / call / listen to e-books Color: Black Product weight: 5g (unilateral headphones) / 45g (charge box) Charging box size: 80.2*40.2*31mm Headphone size: 23.8*21*23.5mm Charging box battery capacity: 800mAh Headphone battery capacity: 60mAh Music duration: about 4 hours Call duration: about 5 hours Single ear standby time: about 54 hours Standby time to ear: about 43 hours6 Package includes: 1 pair Earphone 1* Charging compartment 1* Charging cable Only the above package content, other products are not included. On