In ear TWS Bluetooth earphones-i13
The product uses AC6973 V5.3 specification, operates in the 2.4G frequency band, with a frequency range of 2402-2480MHz, Class II RF power level, A2DP V1.3, HFP V1.7, AVRCP V1.6, SPP V1.2, PBAP1.2, BDR/BLE Bluetooth communication protocol
