Oneday YE03 ANC & ENC 2.4G no delay TWS Blue tooth Game earphone

1.Bluetooth version V5.3
2.Bluetooth Solution Jerry 7003D4
3.Audio Encoding Protocol SBC,
4.Effective range ≥ 10 meters
5.Headphone battery specification 40mAh protective board
6.Earphone charging time ≈ 1.5 hours
7.Charging box charging standard DC 5V1A
8.Charge the earphones approximately twice
9.Speaker size Ø 14mm
10.Speaker impedance 32 Ω± 15%
11.Frequency response range 20Hz~20KHz
12.Weight (single earphone) ≈ 9g
13.Weight (complete set) ≈ 61.42g
14.Supports Bluetooth protocols HFP, A2DP, AVRCP
15.Signal power level Class 2 (Bluetooth version 5.3)
16.Working frequency 2.4G Hz
17.Earphone charging voltage DC 5V ± 0.2V
18.Charging case battery specification 400mAh protective board
19.Charging time for charging case ≈ 2 hours
20.Connection standby time ≈ 100H
21.Accumulated battery life of approximately 25H
22.Speaker sensitivity 123 ± 3dB
23.Charging case size 64 * 59.2 * 42
24.Individual headphone size 57 * 45 * 19