Oneday OE18 ANC & ENC TWS Blue tooth Earphone

1.Bluetooth version V5.3
2.Bluetooth Solution JL7003D8
3.Audio Encoding Protocol SBC
4.Effective range ≥ 10 meters
5.Headphone battery specification 30mAh (protective board)
6.Earphone charging time ≈ 1.5 hours
7.Charging box charging standard DC 5V1A
8.Charge the earphones approximately 3 times
9.Speaker size Ø 13mm
10.Speaker impedance 32 Ω± 15%
11.Frequency response range 20Hz~20KHz
12.Weight (single earphone) ≈ 3.7g
13.Weight (complete set) ≈ 36g
14.Supports Bluetooth protocols HFP, A2DP, AVRCP
15.Signal power level Class 2
16.Working frequency 2.402GHz-2.480GHz
17.Earphone charging voltage DC 5V ± 0.2V
18.Charging case battery specification 300mAh (protective board)
19.Charging time for charging case ≈ 2 hours
20.Connection standby time ≈ 40H
21.Accumulated battery life of approximately 24 hours
22.Speaker sensitivity 112 ± 3dB
23.Charging case size 63 * 44.5 * 31mm
24.Single headphone size 31.6 * 22.5 * 23mm