• Bluetooth Version: Bluetooth v5.0
• Bluetooth Profiles: A2DP, AVRCP, HFP
• Compatible Specification of Smartphone: Android 7.0 ↑ , 1.5GB ↑
• Package Contents: Charging Case, Earbuds, Ear Tips (S, M, L), Quick Start Guide, USB Cable
• Earbud Dimension (W x H x D): 81 x 0.77 x 0.82 Inches
• Case Dimension (W x H x D): 97 x 1.98 x 1.09 Inches
• Battery Typical Usage Time (Hours): 5-18 hours
• Ambient Sound: Yes
• Bixby Connection: Yes
• ANC/Bixby Voice Wake-up: Support
• Speaker: 2-way 11mm Woofer; 5mm Tweeter

• Wireless connections Bluetooth: 5.0
• Bluetooth protocol: HFP/A2DP/ HSP/AVRCP
• Communication distance: 10 meters (accessible open space)
• Double headphones continuous listening time: About 4 hours
• Headphone standby time: About 150 hours
• Single earphone battery capacity: 40mAh
• Charging box battery capacity: 300mAh
• Headphone charging time: About 1.5 hours
• Charging box charging time: About 2 hours
• Single earphone net weight: About 4.1g
• With the total net weight of the charging box: About 35.4g
• Charging box size: 62×40×27.2mm
• Headphone size: 26.65×16.4×21.6mm

Model: HE05X
Bluetooth Version: V5.0
Bluetooth Effective Distance: 10M
Speaker Size: 10MM
Maximum Power: 10mW
Sensitivity: 92dB
Frequency Response: 20Hz-20KHz
Integrated Battery: 3.7V / 110mAh
Life Time: About 12 hours
Charging Input: Micro USB, DC5V, 500mA

• Comfortable, Secure-Fitting Silicone Earbuds
• Lightweight for Ultimate Music Mobility
• Choice of Colors to suit your Style
• 9mm Neodymium Drivers for Powerful and Balanced Sound
• 8Hz–22kHz frequency range
• Driver Unit: 9 mm
• Frequency Responses: 8–22,000Hz

• iOS 12.2 or later watchOS 5.2 or later
• macOS 10.14.4 or later
• Apple TV Supported
• Type Rich, high-quality audio and voice
• Features Active noise cancellation with dedicated mic
• AirPods Bluetooth 5.0
• Case Lightning connector

• Weight (Total): 48g
• Work Distance: 10m
• Audio Codec: SBC/AAC
• Impedance 32Ω
• Input: 5V/1A
• Charging Port: USB-C
• Charging Time: 1.5h
• Battery Life (Single Charge): 5h
• Battery Life (with Case): 20h
• Bluetooth Version: 5.0

• Product Model: Lenovo TWS Earphones QT83
• Style: TWS Bluetooth Earphones
• Battery: 450mAh
• Connective Distance: About 10m / 33 feet (Obstacle-free)
• Battery Life Time: 4 hours in use
• Product Weight: 150g
• Package Size: 10 x 7 x 4cm / 4 x 2.7 x 1.5inch
• Package Weight: 180g
• Package List: 1 x Pair of earbuds 1 x Charging case

• Frequency Range: 200 Hz to 18 KHz
• Impedance: 4‎Ω
• Bluetooth Version: Bluetooth 4.2
• Bluetooth Range: Up to 10 meters
• Supported Profiles: A2DP, AVRCP, SPP
• Other: Built-in Mic, Hands-free Calling
• Battery Capacity: 3.7V, 480 mAh Li-Ion
• Charging: 5V,300mA
• Battery Backup: Up to 6 hours of continuous music playback at a volume of 80%
• Charging Port: Micro USB (not included)
• Hands Free Call Support: Yes

• Model E502A 
• Dimensions Earbuds: 3.798cm*2.335cm
• Charging case: 7.5cm*3.59cm*2.905cm
• Weight Earbuds: 4.35g
• Charging case: 40g
• Drivers 10 mm dynamic
• Driver sensitivity '97 dB ± 3dB @ 1 KHz
• Sweat and water-resistant IP55
• Bluetooth version BT 5.0
• Wireless range 10 meters
• Charging interface Wired, USB Type-C (for charging case)
• Playtime (fully charged) Up to 5 hours
• (music playback) Up to 3 hours
• (phone call) Up to 20 hours (combined playback)
• Fast charge 10 mins for 3 hours (charging case + earbuds combined)
• Battery capacity Per earbud: 40 mAh
• Charging case: 450 mAh

• Driver unit: 10 mm
• Frequency Response: 20Hz-20KHz
• Impedance: 32Ω +/-15%
• Sensitivity: 100 dB
• Earphone metal Cable length : 1.1m
• Weight: 12g
• 3 buttons mic & remote control
• 3 pairs of silicon earpieces included

• Battery: 55mAh
• Playing time: 5h
• Charging time: 2h
• Standby time: 24h
• Driver unit: 10 mm
• Frequency Response: 20Hz-20KHz
• Impedance: 32Ω +/-15%
• Sensitivity: 95 dB
• Earphone casing in metal Cable length: 65cm
• Weight: 13g
• 3 buttons mic & remote control
• 3 pairs of silicon earpieces included
• 1 Micro-USB cable for charging included

• Type :In-Ear
• Wire-control: Yes
• Conductor Material: Enameled copper wire
• Speaker Impedance: 16Ω
• Weight: 10g
• Wire Length: 1.2m
• Headphone Sensitivity: 93dB
• Plug Type: 3.5mm nickel plated
• Maximum Practical Power: 3mW
• Execution Standard: GB/T-14471-93
• Frequency Response Range: 20-20,000Hz

• Driver unit: 10 mm
• Frequency Response: 20Hz-20KHz
• Impedance: 32Ω
• Sensitivity: 100 dB
• Earphone casing in metal AUX & Digital USB-C Cable length : 1.2m + 0.11m (adapter)
• Weight: 12.5g
• 3 buttons mic & remote control
• 3 pairs of silicon earpieces included

• Driver unit: 10 mm
• Frequency Response: 20Hz-20KHz
• Impedance: 32Ω
• Sensitivity: 100 dB
• Earphone casing in metal Cable length : 1.2m + 0.11m (adapter)
• Weight: 12g
• 3 buttons mic & remote control
• 3 pairs of silicon earpieces included