Bluetooth version: V5.3
Supported protocols: HSP, HFP, A2DP, AVRCP
Talk time: 9H
Music time: 8H (35H, Play with charging case under 80% volume) Charging time: 1H
Battery capacity of earbuds: 45mAh*2
Battery capacity of charging case: 450mAh
The surface is sprayed with metallic paint
Best transmission distance: <1M
Maximum transmission distance: 10M (this is the test situation, the actual situation shall prevail)
Voice prompt: support
Impedance: 32Ω Sensitivity: 94dB
Horn diameter: 10mm
Operating frequency of Bluetooth: 2.402GHz-2.480GHz
Frequency response range: 20Hz-20KHz
Multi-point connection: unsupported
Wearing method: In-ear

Package Content:
1 x User manual
1 x USB charging cable
1 x Earphone