GK-TWS16（Double label ENC+ANC）
Bluetooth version V6.0
Bluetooth solution Jerry 7003D8
Audio coding protocol SBC
Effective range ≥ 10 meters
Headphone battery specification 30mAh protection board
Headphone charging time ≈ 1.5 hours
Charging case charging standard DC 5V1A
Approximately 3 times for headphone charging
Speaker size Ø 13mm
Speaker impedance 32 Ω± 15%
Frequency response range 20Hz~20KHz
Weight (single headphone) ≈ 3.7g
Weight (complete set) ≈ 36g
Supports Bluetooth protocols HFP, A2DP, AVRCP
Signal power level Class 2
Operating frequency 2.402 GHz-2.480GHz
Earphone charging voltage DC 5V ± 0.2V
Charging case battery specification 300mAh protective board
Charging case charging time ≈ 2 hours
Connection standby time ≈ 40H
Cumulative battery life about 24H
Speaker sensitivity 112 ± 3dB
Charging case size 63 * 44.5 * 31mm
Single headphone size 31.6 * 22.5 * 23mm
The product normally includes one side with laser engraved logo and one side with parameters. If there is a silk screen requirement, the standard price is 0.3 yuan per side. Other requirements will be reported separately