i7s TWS Wireless Bluetooth Earbuds Bluetooth 4.2 Stereo Headphones Earphones

color: White Features: Wireless Ear Music Bluetooth Headset Weight: 130g / full set Display: Apple ISO system battery display Link: You can link two Bluetooth devices at the same time Bluetooth version: V4.2 Play music / talk time: about 3-4 hours Standby time: about 100 hours Battery type: rechargeable lithium polymer battery Features: Fast charge, high-definition call Voice: can switch between Chinese and English, not connected long press multi-function key. Chip: CSR63120 chip Configuration: 2 i7 TWS wireless independent Bluetooth headset, charging cable, manual in English