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Weight: 130 grams/set

Display: Apple iOS system battery status
Link: It is possible to link two Bluetooth devices at the same time.
Bluetooth Version: V4.2

Bluetooth solution: Wind tunnel solution (high quality)
Play music/talk time: About 3-4 hours

Standby Time: Approximately 100 Hours
Battery Type: Rechargeable Polymer Lithium Battery
Function: Quick Charge, Clear Call
Voice: Switch between English and Chinese, long press the multi-function key in the unconnected state.
Chip: CSR63120 Chip
Configuration: 2 x i7 TWS wireless independent Bluetooth headphones, charging cable, English and Chinese instruction manual, vertical lid packaging.