earphones E7S earphones TWS 5.0 wireless earphones noise cancelling earbuds K28 LED display bluetooth headphones (k28)
Differential in ear dual moving coil four horn TWS
Low, medium and high three audio performance clear, sound quality highlights
400 + 40 Ma large battery, more than 15 hours of battery life
Aluminum alloy + ABS material, UV process, beautiful appearance
Ergonomic long handle design makes it comfortable to wear and keep running
Key control to prevent accidental touch
Market mainstream type-C interface, fast and convenient charging Bluetooth solution: lucent 5.0 + EDR
Support protocol: A2DP / AVRCP / HFP / spp / avctp
Headset battery: 40 Ma
Charging chamber battery: 250 Ma
Current input: 5v1a
Current output: 5v1a
Speaker size: Φ 10 x 5mm
Frequency range: 20-20KHz
Earphone impedance: 32 ± 15% Ω
The signal transmission distance is 10 meters
Music playing for 3-4 hours
Talk time 4 hours
Standby time 200 hours
Charging time 1 hour
Charging interface: type-C interface
Regular colors (black, black red, black blue)
Ipx65 dustproof and waterproof
Differentiation similar to the third generation of Apple short stem TWS
European and American sound effect style, focusing on bass effect
Small and exquisite appearance, half in ear comfortable to wear
Sports running does not drop, side light transmission LED digital display
Magnetic suction opening and closing design, high precision touch button
Market mainstream type-C interface, fast and convenient charging
Net weight: 38g
Gross weight: 130g
Packing gauge: 50.5 * 47 * 25.5cm
Packing specification: one case / 100pcs
Net weight of one box: 13kg
Gross weight of one box: 14kg
){kind=link}