1. Headphones:
Battery: Single 40mAh
Bluetooth version: 5.0
Working voltage: 3.7V
Speaker: 1 medium 6MM 32 ohm 5 mW speaker
Microphone sensitivity: -42 ± 2dB omnidirectional microphone
Speaker frequency response: 20Hz ~ 20KHz
Support Bluetooth protocol: HSP / HFP / A2DP / AVRCP
Support audio decoding: sbc, aac
Size: 23mm * 22mm * 25.5mm
2. Charging compartment:
Charging compartment battery capacity: 450mAh
Charging: DC5V-1A USB power supply
Size: 68.6mm * 68.6mm * 33.8mm
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