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-A1" to pair the earbuds.
Type: In-ear True Wireless
Model: A1 Mini
Color: Black/Blue/Green/Pink/Khaki/White/Light Khaki/Matte White/Matte Green
Driver: φ6mm dynamic driver
Frequency response range: 20Hz - 20kHz
Audio codec: AAC/SBC
Bluetooth version: Bluetooth 5.3
Effective Bluetooth range: 10m
Battery capacity: 40mAh(earphones)/400mAh(charging case)
Music play time (AAC, default setting, 50% volume)*: 5.5h (single charge)/32h (with charging case)
Cable charge time: 2h (earphones)/2h (charging case)
Charging port: USB Type-C
Weight (each ear): 3.7g(±0.2g)
Water resistance - earphone: IPX5