AVIOT TE-D01d True Wireless

Driver: φ6mm Dynamic driver
Sensitivity​: 91dB +/- 3dB​
Impedance​:16Ω​
Max Output Power​: 5mW​
Chipset​: Qualcomm QCC3026​
Microphone​: CVC8.0 Noise Cancelling​
Waterproof ​: IPX4​
Battery Capacity​: Earbud: 50mAh / Case: 1800mAh​
Call Time​: Max. 4 Hours​
Playback Time​: Max. 9 Hours​
Charging time​: Around 2 Hours​
Supported codec​: AAC, SBC, apt-X​
Supported Profile​: A2DP, HFP, HSP, AVRCP​
Charging Port​: MicroUSB​
Bluetooth​: Ver. 5.0​
Bluetooth Multi-Pair-Link​: 3 Devices​