Features:

1. Bluetooth 5.0 wireless technology, stable and continuous connection

2. 40mm large dynamic coil unit, shocking bass effect

3. Large-capacity battery, 18 hours long battery life

4. Lightweight premium PU sponge earmuffs, comfortable to wear

5. Independent button design, one-handed operation

6. All-inclusive earmuffs, decent sound quality with insulation material

7. Supporting card, wired, and wireless modes

Specifications:

Chipset: JL6936D
Wearing: over head
Bluetooth version: V5.0
Sensitivity: –80dB
Bluetooth frequency: 2.401GHZ～2.482GHZ
Bluetooth protocol: HFP/A2DP/AVCTP/AVRCP/AVDTP/GAVDP
Microphone sensitivity: 102db ± 3db
Rechargeable battery capacity: 300mAh
Impedance: 32Ω±8%(1KHZ)
Audio signal-to-noise ratio: ≥90dB
Speaker unit: Φ40mm
Play time: 16-18 hours (70-80% volume)
Call time：16-20 hours
Standby time: 5100 hours
Power input: 5V-1A
Charging time: 3-5 hours
Material: ABS + PC