Wireless headphones Awei T68 white

Bluetooth scheme: (Jieli 6973D4) V5.3
Supported protocols: HSP, HFP, A2DP, AVRCP
Battery capacity of earbuds: 35 mAh * 2 (without protective plate but protective IC)
Battery capacity of charging case: 300 mAh (with protective plate)
Horn: φ13 mm
Charging time: 1.5 h
Talk time: 7 h
Play time: 6 h
Standby time: 300 h
Horn sensitivity: 93 ± 3 dB
Horn impedance: 16 Ω
Standard input voltage: DC 5 V
Bluetooth working frequency: 2.402GHz~2.480GHz
Frequency response range: 20Hz~20,000Hz
Maximum transmission distance: 10 m
Voice prompt: supported
Multi-point connection: unsupported
Wearing method: In the ear
User manual: Chinese and English
Interface: Type-C
Waterproof rate: IPX6 (only for earbuds)
ENC depth (4 mics for voice call): ＞-40 dB
Accessories: USB charging cable, user manual