Wireless headphones Awei T68 black

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: 300mAh (with protective plate) Horn: φ13 mm Charging time: 1.5 h Talk time: 7 h Play time: 6 h Standby time: 300h 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, 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