Specification:
- Bluetooth scheme: jl7003d4,v5.3
- Supported protocols: a2dp1.3/avctp1.4/avdtp1.3/avrcp1.5/hfp1.5/spp1.0/smp/l2cap4.2
- Channel system: dual channel
- Earphone battery capacity: 85mah * 2 (with protection board) (charging time 1.5 hours)
- Battery capacity of charging compartment: 400mah (with protection board) (charging time: 2 hours)
- Play time: 11 hours
- Talk time: 8 hours
- Standby time: 300h
- Horn diameter: 16.2mm
- Horn sensitivity: 123.8 ± 3db
- Horn impedance: 20Ω
- Standard input voltage: DC 5v
- Bluetooth operating frequency: 2,402~2,480mhz
- Frequency response range: 20Hz-20kHz
- Maximum transmission distance: >10m
- Voice prompt: support
- Multipoint connection: not supported
- Wearing method: earhook silicone
- User manual: Chinese and English
- Enc depth (4 microphones for calling):>-30db
- Product size: 61.95*36*68.82mm
- Port: Type-C
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