Product name: Wireless Bluetooth earphone and Speaker Features; 1.Small size, easy to carry 2.Aluminum alloy with ABS, good texture 3.Wireless Bluetooth earphone and speaker combo Product parameters Model: T-ES01 Listen pattern: Earplug & No earplug Put pattern: Hanging bag,hand &neck Bluetooth version: Bluetooth 5.0 Bluetooth chip: BK3266 Support Agreement: HFP/A2DP/HSP/AVRCP Transmission Range: 10 meters Charge time of earplug: 1 hour Earplug playback time: 3 hours Earplug standby time: 180 hours Mainframe charging time: 1 hour Speaker Play Time: 3 hours Earplug battery capacity: 45mA Mainframe battery capacity: 300mA Speaker norms: 31mm, 4 ohms 3 watts internal magnet 16 core Packing Size: 80*80*40mm Weight: 67g CTN size: 47*40*34.5cm Quantity: 100PCS/CTN colors: Gray,golden,green,pink