Name: True Wireless Headset Version: bt5.3 Connection distance: 10m Frequency: 20hz-20000hz Working hours: 35 hours(charge bay) Charging port: Type-C Interface Charging time: About 1.5 hours Product color: Black and White Storage capacity: 400mAh

Name: TWS Bone conduction earbuds Model: A623 Version: V5.3 Transmission range: 10m Music time: 10 hours Talking time: 10 hours Total duration of use: 30 hours Charging box battery capacity: 300mAh Charging port: TYPE-C

Model: A620 Color: White Version: V5.1 Transmission range: 10M Earphone box battery life: 30hour Talking time: 3-4hour Earphone battery capacity: 30mAh Charging bin battery capacity: 360mAh

Model: A619 Color: White Bluetooth version: 5.1 Wering method: In-ear Transmission range: 10M Capacity: 300mAh Battery capacity: 30mAh Standby time: 13H Battery tife: Charging time: 1.5-2hours Music play time: 4 hours Bluetooth protocols: HFP、HSP、A2DP、AVRCP、SPP、PBAP、TWS+、CVC8.0、AAC、SBC、mSBC Charging input: 5V-1A

Name: TWS stereo earbuds Model: A617 Wireless version: V5.3 Transmission range: 10m Music time: 20 hours Calling time: 18 hours Battery Capacity: 400mAh Charging time: 15 hours Cell diameter: 40mm Frequency response: 20-20kHZ

Model:A616 Charging box charging time:1.5H Wireless chip: 络达 AB1536 Wireslss version : Wireless V5.0 Headphone standby time:200H Headphone talk time:4H Headphone playback time:4H(80%音量) Charging voltage:4.8V-5.2V Headphone charging current:30mA Headphone charging time:1.5H

Model:A615 Bluetooth version:V5.1 Connection distance: Within 10 metes Battery capacity: 1*headphone 30mAh / charging box 300mAh Charging port : LIGHTNING

Model:A612 Color:Black Material:ABS+PC+Silicone+Metal Wireless version:V5.2 Listening time:60 hours Battery capacity:300mAh Charging port:USB-C Charging time:2 hours Applicable:Playback devicess function

Model:A602 Play music/ Talk time:15 hours