L21 Bluetooth Earphone Wireless Earbuds 5.0 TWS Headsets Dual Earbuds Bass Sound for Huawei Xiaomi
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Product description
[4000275122866]L21 Bluetooth Earphone Wireless Earbuds 5.0 TWS Headsets Dual Earbuds Bass Sound for
Huawei Xiaomi Iphone Samsung Mobile Phones
L21
Decription
Solution Version: 5.0+EDR bilateral call
Effective Operating Distance: 10 Meters （no obstacles）
Headphone Battery Capacity: 40mAH
Charging Battery Capacity: 350mAH
Music Playing Time and Talk Time: 4 hours
Headphone Standby Time: 120 hours
Headphone Charging Time: 2 hours
Box Charging Time: 3 hours
Bluetooth Protocol: A2DP1.2/AVRCP1.0/HSP1.0/HFP1.5
Speaker Specifications: 8mm
Impedance: 32 ohms
Microphone Sensitivity: 93 dB
Frequency Response Range 20Hz-20KHz
Material: ABS
Waterproof Rating: IPX4
Features
1.Open the cover automatically switch;
2. Open the cover automatically;
3. Bilateral call 5.0;
4. Battery indicator display;
5. Signal good sound quality
Packing List
1*Bluetooth Earphones
1*USB Charging Cable
1*Charging Case
1*User Manual
S17
Features
Bluetooth Chip: AC6936D
Bluetooth Version: V5.0
Bluetooth Device Name: S17
Bluetooth Call: HSP / HFP
Music Playback and Control: A2DP / AVRCP
On-ear music playback and control: TWS music playback, playback control
Transmission Distance: 10m (unobstructed)
Power Level: Class 2
Frequency Range: 2.402GHz-2.480GHz
Headphone Battery Specifications: Rechargeable lithium polymer battery, 3.7v, 30mAh
Battery Charging Temperature Detection: Charging temperature range: 0-40Celsius
TWS Pairing: the headset has not been paired, the headset will automatically enter the pairing state with the phone;
Specification
Bluetooth Earphone
Battery Critial: 3.2v
Low Battery: 3.3v
Charging Current: 50mA
Full Voltage: Charge continuously for 20 minutes after 4.1V
Charging Input parameters: 5V 100mA (+/- 5%)
Working Current: 15mA
Shutdown Current: 10uA max
Standby Current (connection state): 3mA
Standby Time (connection status): about 10 hours
Battery Fully Charged Voltage: 4.1-4.25V
Charging Case
Battery Type: 602030 lithium battery
Capacity: 300mAH
Charging Time: about 2 hours
Shutdown Current: MAX 75uA
Working Current: 80mA (charge the headset)
Charging Box Charging current: 500mA
Fully Charged Current: less than 30mA
Input Parameters: 5V 1000mA
Headphone Output Parameters: 5V 150mA
Standby Time: 90 days or more
Charging Indication: digital display from the current highest voltage, the number blinks and increases
Full Charge Indicator: digital tube display 100
Charging Output Indication (headphone): The corresponding L / R light is on when the L / R headset is charging
Charging input interface: Type C female
Charging output interface (headphone): contact type
Charging input voltage: DC 4.8 ~ 12V
Charging output voltage: DC 4.7 ~ 5.3V
Battery fully charged voltage: DC 4.1 ~ 4.25V
Packing List
1*S17 Bluetooth Earphones
1*USB Charging Cable
1*Charging Case
1*User Manual
L21
S17
