Ulefone Buds High Quality True Tws Wireless Earbuds

Ulefone Buds High Quality True Tws Wireless Earbuds. Product Paramenters Appearance Design Color Black/White Earbud dimensions 28*23*23 mm Single earbud net weight 3.6g Charging case dimensions 63*44*25 mm Total weight including charging case 44g Audio quality Speaker unit 10mm Driver sensitivity 100± 3dB Frequency response range 20HZ-20KHZ Microphone sensitivity -38Db± 2Db Bluetooth Bluetooth codec SBC/AAC Bluetooth version BT5.1 Bluetooth profiles A2DP/AVCTP/AVDTP/AVRCP/HFP Bluetooth range 10 m (open space free of obstacles) APP / Battery Life Battery type Rechargeable lithium-ion battery Single earbud battery capacity 43 mAh/xx Wh Charging case battery capacity 280 mAh/xx Wh Call duration 5H Music playback time 5H Standby time 140H Charging Charging case. Model: ulefone Buds. Colour: Black/White.