FONENG Ultra Thin Series True Wireless Bluetooth Earphones Bluetooth Headset  (In the Ear)

FONENG BL135 Semi-in-ear TWS Bluetooth-compatible Earphone Wireless Stereo Music Headset - White Ultra-thin charging case design: The thickness of the charging case is 2.3cm, with comfortable hand feeling, mini size, easy to carry Upgraded Bluetooth-compatible 5.3 version: Low power consumption, fast and stable connection Comfortable to the ear: Adapt to different ear canals, ergonomic design, comfortable and painless wearing for a long time Good sound quality: Composite diaphragm restores high frequency and bright music, the midrange is full, and the low frequency is thick Widely compatible: Fully compatible with mainstream Bluetooth-compatible devices on the market Specifications: Model: BL135 Bluetooth-compatible chip: JL7023 Bluetooth-compatible version: 5.3 Audio agreement: HFP, HSP, A2DP, AVRCP, SPP, PBAP, TWS+ Bluetooth-compatible distance: 10M Earphone music time: 5 hours Battery life: 12 hours Charging port: TYPE-C Battery box charging time: 2 hours Earphone battery capacity: 3.7V/25mAh (with protection board) Battery box capacity: 3.7V/250mAh (with protection board)