Wearing a bluetooth headset Bluetooth headset

Parameters:
Bluetooth version: latest bluetooth 4.0 support
Support bluetooth protocol: A2DP1. 2 / AVRCP1.4 / HSP1.2 / HFP1.6
DSP digital audio processing: CVC6.0 eliminate noise and echo suppression technology
Horn frequency response range: 60 HZ - 20000 HZ
Matching: NFC matches
The speaker unit types: ndfeb dynamic coil
Horn: diameter of 40 mm
Speaker impedance: 32 ohm
Battery type: lithium-ion polymer battery 220 mah
Battery capacity: 300 cycles after 80% retention capacity
Music playing time: 10 hours
Time: 10 hours
Standby time: 30 days
Charging time: 4 hours
Charging interface: Micro USB Type B
Transmission distance: 10 m (open environment)
Built-in microphone: it is
The microphone sensitivity: - 42 dB
Weight: 165 g
Features:
1. Support NFC matching of stereo bluetooth headset
2. Design of shock bass + clear treble sound
3. Travel folding design, convenient to carry
4. Free drawing design to meet the needs of different people
5. Built-in microphone support hd voice calls
6. Support the 3.5 mm audio input cable
7. Support the iPhone battery display
8. Support between two bluetooth devices at the same time