Check the setting of answering method on your cell phone and confirm if need some setting when connecting the Bluetooth device.
Support HSP, HFP, A2DP, AVRCP. Provides in-call stereo sound.Greatly improve the transmission speed and providing you with a low-latency listening experience.
Pick up 2 headsets from the charging case and they will connect each other automatically. Then only one step easily enter mobile phone's Bluetooth setting and choose "TOZO-A3" to pair the earbuds.
Type: Semi-in-ear True Wireless
Model: A3
Color: White
Driver: φ14.2mm dynamic driver
Frequency response range: 20Hz - 20kHz
Audio codec: AAC/SBC
Call noise cancellation: DSP call noise reduction
Bluetooth version: Bluetooth 5.3
Effective Bluetooth range: 10m
Battery capacity: 35mAh(earphones)/400mAh(charging case)
Music play time (AAC, default setting, 50% volume)*: 5h (single charge)/22h (with charging case)
Cable charge time: 1.5h (earphones)/1.5h (charging case)
Charging port: USB Type-C
Weight (each ear): 3.3g(±0.2g)
Weight (charging case): 37.5g(±1g)
Weight (entire device): 44.1g(±1g)