Product Name: 2020 New Digital Display Wireless Stereo Earbuds Sport Mini Tws Headset Model NO.: E7S Distance version: Class A Specifications: HSP Color: Black Characteristics: Support Music Function: Bluetooth, USB Soundtrack: Dual Track Bluetooth Version: 5.0 Usage: Mobile Phone Style: In-ear Product Name: Wireless Bluetooth Headset Bluetooth Protocol: A2dp/ Avrcp/ Hfp/ Hsp Effective Distance: 10m Headphone Charging Time: 1hour Charging Time of Charge Box: 2hous Battery Capacity of Charging Case: 300mAh Earphone Battery Capacity: 40mAh Playing Music Time: about 4 Hours Standby Time: 60 Hours Trademark: OEM Transport Package: Gift Box Specification: Package size: 12*8*3.2cm Origin: China HS Code: 8517629400 Product Description 2020 New Digital Display Wireless Stereo Earbuds Sport MINI TWS HeadsetSpecifications:1. Chipset: JL6936D2. Bluetooth Ver.No:V5.0+EDR3. Radio carrier frequency:2402MHz-2480MHz4. Audio frequency response range:20Hz-20KHz5. Wireless Range:≥10m6. Power voltage:3.3~4.2V7. Charging Voltage:5V8. Charging Current:50mA9. Standby Time:240H10. Talk Time:≥5H11. BT Music Play Time:≥4-5H 12. Charging Time:1H13. Earphone battery capacity:40mAh14. Charging Case battery capacity:300mahabout us:1.Established in 20122.Integrates development and manufacturing in-house;3.Specializes in manufacturing all types of bluetooth headphones and related products for many years ;4.Close to Hongkong ;Convenient water, land and Air transportation.5.Low energy consumption; High efficiency;Environmentally-friendly;6.Our products are exported to England, America and other western countries;7. CE ROHS FCC ISO9001 BSCI attainted!8. OEM projects are welcome.